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MHT CET202019 Oct 2020Evening ShiftMathematicsDifferentiationActual

If y = ⁻¹ [ 1+x + 1-x 2 ] , then d y d x =

Options

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

Correct answer

A. (- 1 2 ) 1 1-x²

Step-by-step solution

The equation of tangent at P(-4,-4) on the curve x²=-4 y is (A) 3 x-y+8=0 (B) 2 x+y+4=0 (C) 2 x+y-4=0 (D) 2 x-y+4=0

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