9147atar notes 3u maths lecture slides final
TRANSCRIPT
7/25/2019 9147ATAR Notes 3U Maths Lecture Slides FINAL
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7/25/2019 9147ATAR Notes 3U Maths Lecture Slides FINAL
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Integration, Acceleration and Induction
HSC Head Start lecture
EXTENSION
M THEM TICS
Presented by:
JACOB SILOVE
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TIMETABLE
• Who am I?
• General HSC tips
• Course-specific tips
• Content
Today’s Lecture
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HIGH SCHOOL
Year 11 2013):
• Pacific Project
• Mathematics- 96
Year 12 2014):
• International Science Forum
• ATAR- 99.80 –
Physics- 93
–
Chemistry- 93
–
Modern History- 93
–
Extension 2 Maths- 94
–
Advanced English- 95
–
Extension 1 Maths- 98
Who am I?
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DON’T PANIC! MESSING UP ONE ASSESSMENT ISN’T THE
END OF THE WORLD
GENERAL HSC TIPS
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DON’T COMPETE WITH EACH OTHER. IT ISN’T REALLY WORTH
TRYING TO UNDERSTAND WHY THE HSC WORKS: LEAVE THAT
TO THE MAGICIANS AT THE BOARD OF STUDIES.
GENERAL HSC TIPS
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DON’T BE AFRAID TO USE COLOURS
GENERAL HSC TIPS
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DON’T JUST WRITE NOTES: WRITE WORKSHEETS
GENERAL HSC TIPS
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STUDY IN GROUPS
GENERAL HSC TIPS
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PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
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PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
COURSE SPECIC TIPS
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PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
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PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
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COURSE SPECIC TIPS
IF YOU DON’T UNDERSTAND SOMETHING,
ASK A SMARTER STUDENT. IF YOU ARE
THE SMARTEST STUDENT, ASK YOUR
TEACHER. IF YOU ARE SMARTER THAN
YOUR TEACHER… GET A TUTOR?
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PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
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PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
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PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
COURSE SPECIC TIPS
FORM SMALL STUDY GROUPS
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PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
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COURSE SPECIC TIPS
FORMULA SHEET
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PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
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COURSE SPECIC TIPS
UTALISE ONLINE RESOURCES
- KHAN ACADEMY
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PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
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PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
COURSE SPECIC TIPS
WRITE OUT QUESTIONS
-
QUESTION YOU GOT WRONG
- DIFFICULT QUESTIONS IN PAST PAPERS
- QUESTIONS THAT ALWAYS COME UP
-
etc
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PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
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PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
PAST PAPERS. PAST PAPERS. PAST PAPERS. PAST PAPERS.
COURSE SPECIC TIPS
MATHEMATICS PAPER AS A BREAK
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•
Methods of Integration
• Projectile Motion
• Induction
• Binomial Theorem
•
Velocity and Acceleration as a function of x*
• Simple Harmonic Motion**
• Further Probability***
* If we have time
** Highly doubt that we will have time
*** Wow, I’ve seriously misjudged the timing for this presentation
CONTENT
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•
Method of finding the area under a curve
• Think of it as reverse-differentiation
• !"#$%&'()*( is the standard form for integration
• Eg. *-*( (# ! "!( , therefore !#% !(*( " (# ! #. (Will
explain +C)
INTEGRATION
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•
INTEGRATION
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Why plus C?
• Differentiate / "$(# ! #!( #%
• Differentiate / "$(# ! #!( #&
• Differentiate / "$(# ! #!( #'(((((
•
Differentiate / "$(# ! #!( )$*+!,
INTEGRATION
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Why plus C?
Integral of /# - "!( could be :
. /" (# !
.
/" (# ! #'((((
. /" (# ! )'((($0$111!'1'0(!10('1!(01'!(!0'(!0
- Etc.
- ALWAYS PLUS C FOR INDEFINITE INTEGRALS!!!!
INTEGRATION
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Indefinite vs definite integrals
• Indefinite
– !#%&'()*(
– Finds the primitive graph
–
Eg !#% !(*( "(# ! #.• Definite
– !"#$%&'()*(
– Finds an area beneath a graph
–
Eg ! (# '% !(*( "0(# ! 12 (# ' "' ' )# ! )' ( )# ! "'
INTEGRATION
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Some questions
Find the indefinite integral of ) 3 +# 3#
INTEGRATION
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Some questions
Find the definite integral of 3 - #43#5 between x = 0
and x = 1
INTEGRATION
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Substitution• Always given
Three easy steps
•
Find the derivative
• Cancel terms and substitute
• Convert back into the original variable
METHODS OF INTEGRATION
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Find ! 6 4-5 # 4 64+
using the substitution 4" 7 )
METHODS OF INTEGRATION
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Find !#% 35 # 3 638 using the substitution
7" 3 #
METHODS OF INTEGRATION
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•
Find the derivative• Make substitutions and cancel
• Make sure to change variable back into the original one
METHODS OF INTEGRATION
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( "*89:;"<=>=?@ *(-*@ " ( "A=;B<8@/
*# ! (-* @# ! " *( -*@ " ( ""<<=;=C"@8B?
PROJECTILE MOTION
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Particle projected verticallyInitially, @ "(8 ( "(8 A "D
PROJECTILE MOTION
Vertical Horizontal
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Particle projected at an angle alphaInitially, @ "(8 ( "(8 A "D
PROJECTILE MOTION
!
#
D 2 /
D 2
(
Vertical Horizontal
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PROJECTILE MOTION
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PROJECTILE MOTION
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PROJECTILE MOTION
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•
Understand initial conditions• Be able to quickly integrate
• Understand what the question is actually asking
• There are only like 3 possible questions!
PROJECTILE MOTION
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•
A method used to prove relationships true• We do this by utilising the following steps for set S(n):
– Prove that E 9': is true,
– Assume E 9F : is true,
–
Prove E 9F #': is true, – State true for all n
INDUCTION
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• Prove true for n = 1
INDUCTION
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• Assume true for n = k
INDUCTION
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• Prove true for n = k+1
INDUCTION
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• State true for all n
INDUCTION
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• Prove true for n = 1
INDUCTION
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• Assume true for n = k
INDUCTION
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• Prove true for n = k+1
INDUCTION
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• State true for all n
INDUCTION
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•
Remember the steps required to prove an inductionquestion true
• Make intelligent substitutions
• Make sure to write the conclusions!
INDUCTION
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Find the 34th term:
'( #' - $ )# &%
BINOMIAL THEORUM
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Find the 34th term:
'( #' - $ )# &% !+1,*((!'*%; '(# '( ; ' ' - $ )# $$ ; (# '!
(+(((((%',$%$; (# '!
BINOMIAL THEORUM
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Let’s examine an easier example, to find a general rule.
' '#()#?' '#() ;' '#() ;' '#() ;' '#() ;<;' '#() ? @8>=9
'# G( #H(# ! #.(# $ #<#I(#?nCk '?JF )
BINOMIAL THEORUM
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Let’s examine an easier example, to find a general rule.
' '#()#?' '#() ;' '#() ;' '#() ;' '#() ;<;' '#() ? @8>=9
'# G( #H(# ! #.(# $ #<#I(#?nCk '?JF )
'?J ( ) #'?J ' )( #'?J ! )(# ! #'?J $ )(# $ #<#'?J? )(#?
BINOMIAL THEORUM
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Let’s examine an easier example, to find a general rule.
' '#()# ( " ' '#()# ' " # (
' '#()# ! " # ( # (# ! ' '#()# $ " #=( #= (# ! # (# $
' '#()# & " #4( #> (# ! # 4(# $ # (# & ' '#()# % " #?( # 6 (# ! # 6(# $ # ?(# & # (# %
BINOMIAL THEORUM
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Let’s examine an easier example, to find a general rule.
'
' '
' ! ' ' $ $ '
' & * & '
' % '( '( % '
BINOMIAL THEORUM
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KK
KK
'?JF ) "? @ -'? )F) @F @
BINOMIAL THEORUM
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Let’s examine an easier example, to find a general rule.
'L #()#?
'?J ( )L#? #'?J ' )L#? )' ( #'?J ! )L#? )! (# ! #<#'?J? )' )L(#? )' #'?J? )(#?
BINOMIAL THEORUM
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BINOMIAL THEORUM
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BINOMIAL THEORUM
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Greatest term questions' $#%()# !(
BINOMIAL THEORUM
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Greatest term questions' $#%()# !(
'?JF )"#? )F $#F' !(JF ) $# !()F %#F
BINOMIAL THEORUM
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Greatest term questions' $#%()# !(
'?JF )"#? )F $#F' !(JF ) $# !()F %#F
If Tk A Tk+1, then Tk will be the greatest term.
M2F #' -M2F " ? @ -'? )F #' ) @'F #' ) @ ; '? )F) @F @ -? @ ;%#F #' ; $# '0)F - %#F ;$# !()F
!()F- 9F #': ;% - $
BINOMIAL THEORUM
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!()F- 9F #': ;% - $ This exceeds one between F "' "?* F "'!, but then is less
than one. The greatest term is therefore F "'$, which has
coefficient
' !(J '$ ) $# !()'$ %# '$ " ' !(J '$ ) $# , %# '$
BINOMIAL THEORUM
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•
Remember that the term expansion equation is on theformula sheet.
• Try to memorise the rough ways you solve various types of
questions.
•
This is a tough topic; practice practice practice!
BINOMIAL THEORUM
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From the Mathematics course:( "*89:;"<=>=?@
*(-*@ " ( "A=;B<8@/ *# ! (-* @# ! " *( -*@ " ( ""<<=;=C"@8B?
VELOCITY AND ACCELERATION
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From the Mathematics course:( "*89:;"<=>=?@
*(-*@ " ( "A=;B<8@/ *# ! (-* @# ! " *( -*@ " ( ""<<=;=C"@8B?
( "" " *A-*@ " *A-*( ; *(-*@
VELOCITY AND ACCELERATION
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From the Mathematics course:( "*89:;"<=>=?@
*(-*@ " ( "A=;B<8@/ *# ! (-* @# ! " *( -*@ " ( ""<<=;=C"@8B?
( "" " *A-*@ " *A-*( ; *(-*@( "" " *A-*@ " *A-*( ; *(-*@ " *A-*( ;A
VELOCITY AND ACCELERATION
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From the Mathematics course:( "*89:;"<=>=?@
*(-*@ " ( "A=;B<8@/ *# ! (-* @# ! " *( -*@ " ( ""<<=;=C"@8B?
( "" " *A-*@ " *A-*( ; *(-*@( "" " *A-*@ " *A-*( ; *(-*@ " *A-*( ;A
( "" " *A-*@ " *A-*( ; *(-*@ " *A-*( ;A " *-*( ' ' - ! A# ! )
VELOCITY AND ACCELERATION
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VELOCITY AND ACCELERATION
VELOCITY AND ACCELERATION
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VELOCITY AND ACCELERATION
VELOCITY AND ACCELERATION
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•
Remember that the relevant formulas are on your formulasheet.
• Never forget to + C, because that’s usually half of the
answer!
•
Remember that you can play with derivatives as much asyou want. Flip em, multiply em, divide em up using the
chain rule.
VELOCITY AND ACCELERATION
QUESTIONS
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QUESTIONS
QUESTIONS
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QUESTIONS
QUESTIONS
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QUESTIONS
QUESTIONS
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QUESTIONS
Th k !
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Jacob Silove
Thanks!