1
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

If $$y = \sin \left( {2{{\tan }^{ - 1}}\sqrt {{{1 - x} \over {1 + x}}} } \right)$$, then $${{dy} \over {dx}}$$ is :

A
1
B
$$-$$1
C
$${x \over {\sqrt {{x^2} - 1} }}$$
D
$${{ - x} \over {\sqrt {1 - {x^2}} }}$$
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