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TS EAMCET · Maths · Differentiation

If \(f(x)=\cosh ^1\left(\frac{1-x}{1+x}\right)\) is well defined, then \(f^{\prime}(x)=\)

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

Answer & Solution

Correct Answer

(A) \(\frac{-1}{(1+x) \sqrt{-x}}\)

Step-by-step Solution

Detailed explanation

We have,…