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TS EAMCET · Maths · Differentiation

If \(\frac{d}{d x}\left\{\left(\frac{x-1}{x-\sqrt{x}}\right) e^{2 x+1}\right\}=\frac{x-1}{x-\sqrt{x}} e^{2 x+1} f(x)\), then \(f(4)=\)

  1. A \(0\)
  2. B \(1\)
  3. C \(\frac{35}{24}\)
  4. D \(\frac{47}{24}\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(\frac{47}{24}\)

Step-by-step Solution

Detailed explanation

\(\frac{d}{d x}\left\{\left(\frac{x-1}{x-\sqrt{x}}\right) e^{2 x+1}\right\} = \frac{d}{d x}\left\{\left(\frac{(\sqrt{x}-1)(\sqrt{x}+1)}{\sqrt{x}(\sqrt{x}-1)}\right) e^{2 x+1}\right\}\) \( = \frac{d}{d x}\left\{\left(1+x^{-1/2}\right) e^{2 x+1}\right\}\)…