Question
यदि $y = \sin (2{\sin ^{ - 1}}x),$ तो $\frac{{dy}}{{dx}} = $
==> $y = \sin 2\theta $
==>$\frac{{dy}}{{dx}} = \frac{{dy/d\theta }}{{dx/d\theta }} = \frac{{2\cos 2\theta }}{{\cos \theta }}$
$ = \frac{{2(1 - 2{{\sin }^2}\theta )}}{{\sqrt {1 - {{\sin }^2}\theta } }} = \frac{{2 - 4{x^2}}}{{\sqrt {1 - {x^2}} }}$.
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