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NTA Abhyas JEE Main2020MathematicsApplication of DerivativesPractice

The number of local maxima/maximum for the function y = x 2 - 2 sin ⁡ x ,   ∀ x ∈ 0 , π 2 is

Options

  1. A0
  2. B1
  3. C2
  4. D3

Correct answer

A. 0

Step-by-step solution

As, d y d x = 2 x - cos ⁡ x Hence, the function shows a local minimum at x = α but no maximum

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