Techniques of Differentiation - Chain Rule

Techniques of Differentiation - Chain Rule

TGM Original Questions

Differentiate each of the following with respect to \(x\).

  1. \(y = (x^{2} + 1)^{10}\)
  2. \(y = \frac{6}{(x^{4} + x)^{3}}\)
  3. \(y = \frac{1}{\sqrt{3x^{2} + 2}}\)
  4. \(y = \frac{3}{(2 + \sqrt{x})^{3}}\)

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Answer:(i) \(20x(x^2+1)^9\) (ii) \(-\dfrac{18(4x^3+1)}{(x^4+x)^4}\) (iii) \(-\dfrac{3x}{(3x^2+2)^{3/2}}\) (iv) \(-\dfrac{9}{2\sqrt{x}(2+\sqrt{x})^4}\)

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