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7/23/2019 Presentation About Arithmetic and Geometric Sequence
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Arithmetic and
Geometric SequencePresenter: Daryl Jansen Antolin
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7/23/2019 Presentation About Arithmetic and Geometric Sequence
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Arithmetic Sequence
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7/23/2019 Presentation About Arithmetic and Geometric Sequence
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Arithmetic Sequence
General Formula: an=an+ (n-1)d
!am"le: Find the 1#thterm o$ the sequence %& '& & 11&
1#& 1%&*
an=a1+ (n-1)d
a1#=% + (1#-1)
a1#=% + (1)
a1#=% + ,
a1#=
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7/23/2019 Presentation About Arithmetic and Geometric Sequence
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Geometric Sequence
each term a$ter the $irst is $ound y multi"lyi
the "re/ious one y a $i!ed& non-0ero num
called the common ratio*
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7/23/2019 Presentation About Arithmetic and Geometric Sequence
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Geometric Sequence
General Formula: an=a1(rn-1)
!am"le: Find the 'thterm o$ the sequence elo2 & 3& 1
%,&*
an=a1(rn-1)
a13= (#'-1)
a13= (#3)
a13= (')
a13=1,%4