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AP EAMCET202124 Aug 2021Evening ShiftMathematicsInverse Trigonometric FunctionsActual

If ⁻¹ x= ⁻¹(3 x) , then x is equal to

Options

  1. A10 10
  2. B5 5
  3. C5 2 6
  4. D- 10 10

Correct answer

A. 10 10

Step-by-step solution

Given, ⁻¹ x= ⁻¹ 3 x aligned ⁻¹ ( 1-x^2 )= & ⁻¹ 3 x & [ ⁻¹ x= ⁻¹ 1-x^2 ] aligned array ll & 1-x^2 =3 x 1-x^2=9 x^2 & 10 x^2=1 x= 1 10 = 10 10 array

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