^-{€^(0` }
8:-{` €^ (0, €^ (` }
©-{ €^ (` }
D:-None of these
Correct Answer:- Option-B
Question84:-If (8, b, c, x) is the hyper geometric series, then’ lim_(b->00)* F(a, b, a, റാഗ്‌ ) is
A:-(1+x)*(a)”
B:-log(1 + x)
02000”
D:-sin x
Correct Answer:- Option-C
Question85:-If *P_(n)(x)’is the Legendre Polynomial, then *P_(n)(-1)° is

-1)*(n)

Correct Answer:- Option-C
Question86:-The equation *U_(xxxx_)+x*(2)U_(yy) = 0 is
A:-elliptic
B:-parabolic
C:-hyperbolic
D:-none of these
Correct Answer:- Option-A
Question87:-If a, b, c are three constants such that ‘U_(x)’ = a, ‘U_(y) = b and ` (| (2)` = c with u(x, y, z) = 0 at
(0, 0, 0); then U(1, 0, 0) is
Ava
B:-b
0:
D:-none of these
Correct Answer:- Option-A
Question88:-If 0 < s < 1, then ‘int_0*00(x*(s-1))/(1+x)dx° is
A:~beta’ (1, 5)
B:-‘beta’ (1- s, 1)
C:-beta’ (1- s,s)
D:-divergent
Correct Answer:- Option-C
Question89:-The Laplace transform L {* (sin omegat)/(t)’ } is
` 001^ (-1)((5)/ (4) `
(07608)/(5” (2)--0176687(2))`
:-` (5)/(5^ (2)+0171602 ^ (2))`
D:-none of these
Correct Answer:- Option-A
Question90:-Which of the following is a periodic function on *RR* ?
A:-x -[x]
B:-x
C:-[x]
D:-none of these
Correct Answer:- Option-A

Question91:-A velocity field is given by 0 = xi + (y + t) j. Then the stream line for this field at t = 2 is

A--circle

B:-ellipse

C:-hyperbola

D:-rectangular hyperbola

Correct Answer:- Option-D
Question92:-Consider the fuzzy sets A and 8 on X = [0,`(01)/(2)` ] where A(x) = sin x and B(x) = cos x. Then 0.8 — cut of
۸۰۸۸۰8 ‏5ا‎

“لطم “يم

B:-X