Let f(x) = \{ \table -\2sinx, if x \leq -\pi/{2};Asinx+B, if -\pi/{2}

Correct Answer is : f is continuous for all A = – 1 and B = 1

f is discontinuous for all A and B

f is continuous for all A = – 1 and B = 1

f is continuous for all A = 1 and B = –1

f is continuous for all real values of A, B

WBJEE 2018 Math Solved Paper

Question : 52 of 75

Marks: +1, -0

Let f(x) ‌ = {

−2sinx

if‌x≤−

Asinx+B

if‌−

<x<

cosx

if‌x≥

Then

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