Question 1 (26 Marks)
Use any appropriate method to find each of the following integrals:
1.1
J —_4—x?_—+_1—12_x—+_9-dx
(e6l
1.2
| ax i
[44]
1.3
[-sec° xsin’x dx
[5]
1.4 ——
[11]
3sinx+4cosx
Questions 2 (28 marks)
2.1. Given f@=x +5x+16, find the x value of the average value on [0, 2].
[8]
2.2
Let
h(©x))=
x
|
dt
t-0
. Find d—dxh.
e5I
2.3 The parametric equation of acurveis y=3t—/?, x=3r". Find the volume generated
when the plain figure bounded by the curve, the x —axis and the ordinates
t=0 and ¢=2, rotates about the x —axis through a complete revolution.
[7]
2.4. Find the area generated when the arc of the parabola y*=8x between
x=0 and x=2, rotates about the x —axis.
[3]
Question 3 (46 Marks)
3.1
Consider
(x)=
1
1
x
3.1.1 Express f(x) as asum of a power series and find the interval of
convergence.
[7]
3.1.2
Use your answer
in 3.1.1 to evaluate
J
ax
l+x°°
[5]
3.2. Find the Maclaurin series of sinx and prove that it represents sinx forall x. [11]
3.3.
Given
the cycloid
x=r(9—sin@),
y =r(1—cos@).
Find
: J2
IX 2
(3]