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KCET2017MathematicsFunctions

The derivative of ( ⁻¹ (2 x²-1 ) ) w.r.t ( ⁻¹ x ) is

Options

  1. A( 12 )
  2. B( - 1 2 1-x² )
  3. C( 2 x )
  4. D( 1-x² )

Correct answer

A. ( 12 )

Step-by-step solution

Let ( y= ⁻¹ (2 x² 1 )=2 ⁻¹ x ) and ( z= ⁻¹ x ) So, ( d y d z = d (2 ⁻¹ x ) d ⁻¹ =2 )

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