engineering recuitment ISRO Scientific Assistant Physics 2020 Mathematics Differential Calculus Evaluation of derivatives
यदि \(\rm y = \sqrt {\sin x + \sqrt {\sin x + \sqrt {\sin x + ... \infty}}}\) तो \(\rm \frac {dy}{dx}\) किसके बराबर है?
1
\(\rm \frac {\cos x}{2y - 1}\)
2
\(\rm \frac {-\cos x}{2y - 1}\)
3
\(\rm \frac {\sin x}{1 - 2y}\)
4
\(\rm \frac {-\sin x}{1 - 2y}\)