JEE Advanced Mathematics question

Mathematics Continuity and Differentiability JEE Advanced

Let

f(x)=

If is continuous in then is

(A)
(B)
(C)Correct
(D)none of these

Answer: (C)

Solution

Continuity at is needed. Put :

1-(+h)=1-=, 4x-π=4h.

λ=

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Question ID VK-109327