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First Semester Examination Academic Session 200812009

November 2008

MAA 101 - Galculus for Sciences Students

I

[Kalkulus untuk Pelajar Sains /J

Duration : 3 hours [Masa : 3

jam]

Please check that this examination paper consists of FIVE pages of printed

material before you begin the examination.

[Sila pastikan bahawa

kertas

peperiksaan ini mengandungi LIMA muka

surat yang bercetak sebelum anda memulakan peperiksaan

ini.l

Instructions :

Answer

all ten

[10] questions.

tArahan :

Jawab

semua sepuluh [10]

soalan.l
(2)

IMAA 1011

1. Solve

lx

-zl+lx4l>4.

[6 marks]

2.

Evaluate:

..

J

*+Z -z

(a)

hm

L;2

ft) ri* \"t 3It

'.,-

2*z a1

(c) liq (cosr)'/"

! I

marksl

3. Let ,f(r)=ffi, ,*1.

(a) rf (f

"

/)(l)

= 1 , find all values of ft.

(b)

By using k >

0

from part (a),

find /-'(.r).

[8 rnarks]

4.

Show

that f (r)={f -: ' x31 is

continuous

but not

differentiable at

l*-Z , x)l

x =1.

[10 marks]

s.

Find

Q

.

dx

(a) r=x2ur""ot(f) (b) !

= x"-"

(c) sin(x-Y)=r7 at (O,tr)

[4

marks]

6. Let f (*)=2*'*?:*6 x+2 .rina (a)

all asymptotes.

(b)

the intervals on which

/

is increasing or decreasing.

(c)

the local maximum and minimum values of

f if

any.

(d)

the intervals of concavity and inflection points(

if

exists ).

Then, sketch the graph

ofl

[15 marks]

...3/-

(3)

L

Selesaikan

lx-zl+lx4l>4.

[6 markah]

2.

Nilaikan:

.. J*+z -z

(a) llm

- x-+2

X

-2 (b) 1iln-{

x+*

)12 11

(c) lim (cos")'/"

x+0 '

p I

marknhJ

3. Biarkan f(r)=m,**1.

(a) Jika (f "f)(t) :1,

cari senrua nilai k.

(b)

Denganmenggunakan

k>0

dari bahagian (a),

cari f-t (r).

[8 markahJ

shawa f (*\={O -: ' xal

adalah

selanjar tetapi

tidak

l*-2 , xtl

terbezakan pada x

=l

.

[10 markahJ

5.

Carr

@

.

dx

(a) t=x2"r""ot(f) (b) Y:

x"

"

(c) sin(x-y)

=

xy

pada

(0,r)

[14 marknh]

6. Biarknn f (|=t#.

Cari

(a)

semua asimptot.

(b)

selang di mana

f

adalah menokok atau ntenyusut.

(c)

nilai maksimunt tempatan dan minimunt tempatan bagi

f jika

ada.

(d)

selang kecekungan dan titik lengkuk balas (jika wujud).

Kemudian lakarkan graf

f.

p

5 markahl
(4)

7.

IMAA 1011

Find the dimension of the largest rectangular that can be put into a circle with diameter 10 cm.

[7 marks]

Evaluate the integrals:

l3x2

+ x

+l (a) l- J xl \,/ '--: , x' +ll

dx

4

(b) lJxtnx

dx

J

I

[

1 marks]

[6 marks]

Findthe areaof the region bounded

by y'=4-x and

x

+2y-l=0.

Find the volume of the solid fonned by revolving the region enclosed by the curves

!

=

x2

and y

=8-x2

about the

line

x = 3.

[12 rnarks]

9.

Find an equation for the tangent line to the

curve y= F(*)

at the point where x'

x=l and

,F(x)

\ / Jt-2 : | '" 0,.

t

10.

(a)

(b)

...5/-

(5)

Cari

dimensi bagi segiempat terbesar yang dapat diterapkan bergarispusat

I0

cm.

di

dalam bulatan [7 markah]

8. Nilaikan kamiran:

l3x2 +x+l

@) | ^dx J x\x'+l)

4

f-

(b) l,l

x ln

x

dx J

I

fll

ntarkahJ

Cari persantaan

garis

tangen ke lengkungan y = F

(x) pada titik

yang mana x'

x=t dan F(x\= \ / Jt-2 |

o,

'

fu markahJ

9.

10.

(a)

(b)

Cari luas kawasanyang di batasi

oleh

y2 =

4- x dan x+2y -l=0

.

Cari

isipadu bongkah kisaran

yang terhasil

apabila kawasan

yang

di batasi oleh

lengkungan !=x2

dan

y=8-x2 di

kisarkan sekitar garis

x

=3.

fl2

markahl

-ooo000ooo-

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