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Let f(x) = (ax+b) cos x+ (cx+ d) sin x a...

Let f(x) = (ax+b) cos x+ (cx+ d) sin x and f' (x) = x cos x be an identity in x then

A

a = 5, b = 2

B

a = 5, b = 1

C

a = 5, b = -5

D

b = 1, c = 1

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The correct Answer is:
D
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PATHFINDER-FUNCTION-QUESTION BANK
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