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AP EAMCET · Maths · Differentiation

The derivative of \(y=\sin ^{-1}\left(\frac{\sqrt{1+x}-\sqrt{1-x}}{2}\right)\) is

  1. A \(\frac{1}{\sqrt{1+x^2}}\)
  2. B \(\frac{1}{\sqrt{1-x^2}}\)
  3. C \(\frac{1}{2 \sqrt{1+x^2}}\)
  4. D \(\frac{1}{2 \sqrt{1-x^2}}\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(\frac{1}{2 \sqrt{1-x^2}}\)

Step-by-step Solution

Detailed explanation

\(y=\sin ^{-1}\left(\frac{\sqrt{1+x}-\sqrt{1-x}}{2}\right)\) Put, \(x=\cos 2 \theta \Rightarrow 2 \theta=\cos ^{-1} x\)…