Kurukshetra University 2008 B.A Mathematics Calculus - Question Paper
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Roll No. Ttn.il 3 3.
32
BAE/A08 MATHEMATICS (Calculus) Paper - BM-102
16a
9 '
lb) Tracc the curve
r = i<I - sin 0)
SKCIION-II
() Pt.nc that */:
J \n2*A dx
P?+P:
fU.A. : 30 B.Sc.: 45
(Maximum Mark* :
2;i!
I.
i <4tt) J (4H)
6.
vaxis.
I. (a) If /(> xr + - 3* 11, find llie value til
/( Yq ) *tlh ihe help of Taylor'* wiled loi Jt.\ f hy
S <4W)
a
<b) Prove lliat the curve * |_cosq Im Ho asymptotes.
3 <4Vi)
Note : Attemptquestions in all. velecting m least one quc'tion from eKh section. Marks for B.Sc. arc given in brackets.
SECTION-1 (a) lf/(*) it differentiable ai x a. find
(b) State and prove Leibnitz'* iltcorcm.
Time : Three Hours]
.t-n
Li
(2"t,.>!)-' 2 3 4W> (h) hind the length of the arc ot ihe par.tl'oh .r = 4v
(i) from the vertex to an extremity nl the Inti is rcctum
(ii) cut-off by lams rcctum. 3 <4Vi)
(a) Find the intrinsic equation of the r<irdioid
r = ai\ - cos 0). 3 (4Vi)
(b) Find the area common to the par. >ln-
v2 4<u and .r3 = 4<jv. 3 (4 Vt)
(a) I;iikI the volume of ihe solid obtained by icvolving the i-ardioid r = (l + cos 0) about (he initial liiv. 3 (4Vi)
(h) l;md the .surface of (lie solid generated by revolving
(a) If p,. _p7 be the radii of curvature ai the extremities of any chord through the pole of the cardioid r a{\- cos 6). show that 2
3 (4V4)
the loop of the curve x = tK y a / - about
3 (AVt)
3 <4W)
R
/X.iKXI/KD/.V)
32/8.000/KD/5y
(P.T.O
SECTION-111
7. (a) Solve the differential equation
(jc2 + y2 + 2x) dx + 2y dy - 0. 3 (4W)
(b) Solve the differential equation
p* + p = ty, where p dy/dx. 3 (AVt)
8. (a) Solve the differential equation
rfJv .dy . 2
TT + 2v x e 3 <4W)
dx dx
(b) Solve
(l + x) + (I + x) ~ + > = 4 cos log (I + .t).
dx2 dx
3 (AVi)
SECTION-IV , rfly
9. (a) Solve sin**T-2y, given that y * cot x is a solution.
dx
3 (4W)
(b) Solve ~rj~ys7 by variation of parameters.
dx I + e
3 (416)
10. (a) Solve the simultaneous equations + 4* + 5v = r.
d*x
"d?
d2y . . ,
-f + 5x + 4y = /+l. 3(4!*)
(b) Solve
dx dy dz
m s
v * xyz
32/8,000/KD/59
I
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