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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'HSST MATHS JR NCA' And exam conducted in the year 2018. And Question paper code was '057/2018/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.

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று)

ற, உற )}

ளு)

D:-None of these

Correct Answer:- Option-B

Question84:-If F (a, b, ¢, x} is the hyper geometric series, then’lim_{b->00}" F(a, b, a, "x/b" } is

A= (1))

B:-log(1 + x)

Correct Answer:- Option-C

Question85:-If *P_(n)}{x)'is the Legendre Polynomial, then *P_{n)}{-1)" is

1-ھ

8:-- 1

(யாற!

0:-0

Correct Answer:- Option-C

Question86:-The equation “U_(ooo_H+x~(2)U_(yy) न 06

A:-elliptic

B:-parabolic

C:-hyperbolic

D:-none of these

Correct Answer:- Option-A

Question87:-If a, b, c are three constants such that ப 09 =a, U (#}` =band ப (த = cwithu(x,y, z)=0at

(0, 0, 0} then U(1, 0, O} is

കാള

8:40

Cc

D:-none of these

Correct Answer:- Option-A

Question88:-If 0 < s < 1, then *int_0~oo{x~(s-1))}/(1+x}dx" 15

A:-'beta’ (1, s)

B:-’beta’ (1-s, 1}

ട് (1- 5,5)

D:-divergent

Correct Answer:- Option-C

Question89:-The Laplace transform L {* (sin omegat)/(t)' } is

வையி

٭((2)-3وہ٥ہ+(۰)2)/(د وتہ)“-:5

வோ!

D:-none of these

Correct Answer:- Option-A

Question90:-Which of the following is a periodic function on *RR* 7

×-ھ -]×[

8:56

6:14

D:-none of these

Correct Answer:- Option-A

Question91:-A velocity field is given by 9 ہورے {y + 0 |. Then the stream line for this field 5ا 2< ٤٤32

கன்ட

B:-ellipse

C:-hyperbola

D:-rectangular hyperbola

Correct Answer:- Option-D

Question92:-Consider the fuzzy sets A and B on X = [0, (pi}/(2) ] where A(x} = sin x and B{x} = cos x. Then 0.8 — cut of

1ھ

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