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KCET2016MathematicsInverse Trigonometric Functions

If ( 3 ⁻¹ x+ ⁻¹= ) then ( x ) equal to

Options

  1. A( 00 )
  2. B( 11 )
  3. C( -1 )
  4. D( 1 2 )

Correct answer

B. ( 11 )

Step-by-step solution

Given that, 3 ⁻¹ x+ ⁻¹ x= 2 ⁻¹ x+ ( ⁻¹ x+ ⁻¹ x )= Since, ⁻¹ x+ ⁻¹ x= 2 . Then 2 ⁻¹ x+ 2 = 2 ⁻¹ x= 2 ⁻¹ x= 4 x= 4 =1

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