calculus :tutorial 2
TRANSCRIPT
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PMB 3004: Calculus
Tutorial 2
1. Change the following improper rational functions to the proper rational functions:
a) ( x3 + 5x
2 – x – 6) / (x-1)
b) (4x3 – 2x
2 - x + 3 ) / x -2
c) (4x3 + 6x
2 + 5x +3) / (2x-1)
d) (x3 + 5x
2 - 2x -1) / (x+3)
2. Simplify the following expressions:
3 7
1.5
1/ 2
3 1
3 2
)2 3
)5
4 3)
2
a e e
eb
e
e ec
e e
d) 2 2( 1) (1 ) x x x x xe e e e e
e) 2
1
x x
x
x
e ee
e
f) 2 2(1 ) x xe e
3. Simplify the following expressions:
3
9
) ln 2ln 3ln
1) ln ln
2
) log 100 log 10 log 5
10ln ln ln)
ln ln
a a a
a x x x
b t t
c
x x xd
x x
e) 2 2 24log 2logrs t r st
f) 2 3
2 6
1 1log log
2 3
x x
y y
4. Solve the following equations:
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PMB/ NS/Jan 09
a) 312525 x
b) 325 x
c) 16
12 1 x
d) 42ln xe
e) 2 3x xe e
f) 1
21
xe
g) 610 30 x
h) 2
10log 4 2x
i) 2ln(3 5) 4 t
j) log x log 2 1
k) 3 43ln( ) 9 xe
l) 2log(x 2) log(2x 5)
m) 2log(x 6) log(x 1) 1
n) ln xe 2x 3