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AP EAMCET · Maths · Application of Derivatives

An approximate value of \(\sqrt[4]{18}\) is

  1. A 2.0512
  2. B 2.0425
  3. C 2.0625
  4. D 2.0834
Verified Solution

Answer & Solution

Correct Answer

(C) 2.0625

Step-by-step Solution

Detailed explanation

Let \(y=f(x)=x^{1 / 4}\) and \(x=16\) and \(\Delta x=2\) So, \(\Delta y=\left(\frac{d y}{d x}\right) \Delta x=\frac{1}{4}\left(x^{-3 / 4}\right) \Delta x\) at \(\quad x=16\) and \(\Delta x=2\)…