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CUET · MATHS · PYQ PAPER 2025

Differentiation of \(\log \left[\log \left(\log x^5\right)\right]\) with respect to \(x\) is

  1. A \(\frac{5}{x\left(\log x^5\right) \log \left(\log x^5\right)}\)
  2. B \(\frac{5}{x \log \left(\log x^5\right)}\)
  3. C \(\frac{5 x^2}{\left(\log x^5\right) \log \left(\log x^5\right)}\)
  4. D \(\frac{5 x^4}{\left(\log x^5\right) \log \left(\log x^5\right)}\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(\frac{5}{x\left(\log x^5\right) \log \left(\log x^5\right)}\)

Step-by-step Solution

Detailed explanation

\(\frac{d}{dx} \log \left[\log \left(\log x^5\right)\right] = \frac{1}{\log \left(\log x^5\right)} \cdot \frac{d}{dx} \log \left(\log x^5\right)\) \(= \frac{1}{\log \left(\log x^5\right)} \cdot \frac{1}{\log x^5} \cdot \frac{d}{dx} \log x^5\)…