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KCET2009MathematicsInverse Trigonometric Functions

If ' x ' takes negative permissible value, then ⁻¹ x is equal to

Options

  1. A- ⁻¹ 1- x ²
  2. B⁻¹ x ²-1
  3. C- ⁻¹ 1-x²
  4. D⁻¹ 1- x ²

Correct answer

A. - ⁻¹ 1- x ²

Step-by-step solution

Let ⁻¹ x=y . Then, x= y Since, -1 x 0

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