+3 votes
in JEE by kratos

If y = sec-1[(√x + 1)/(√x - 1)] + sin-1[(√x - 1)/(√x + 1) then dy/dx equal to

(A) 1

(B) π

(C) π/2

(D) 0

1 Answer

+6 votes
by kratos
 
Best answer

Correct option :

(D) 0

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