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AP EAMCET · Maths · Differentiation

The derivative of \(\tan ^{-1}\left[\frac{x}{1+\sqrt{1-x^2}}\right]\) with respect to \(\sec ^{-1}\left(\frac{1}{2 x^2-1}\right)\) is

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

Answer & Solution

Correct Answer

(C) \(\frac{-1}{4}\)

Step-by-step Solution

Detailed explanation

Let \(\begin{aligned} y & =\tan ^{-1}\left(\frac{x}{1+\sqrt{1-x^2}}\right) \\ u & =\sec ^{-1}\left(\frac{1}{2 x^2-1}\right) \end{aligned}\) Let \(x=\cos \theta\)…