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MHT CET202120 Sep 2021Morning ShiftMathematicsIndefinite IntegrationActual

If 1+ x ^2 1+ x ^4 dx = 1 2 ⁻¹ [ f ( x ) 2 ]+ c , then f ( x )=

Options

  1. Ax+ 1 x^2
  2. Bx- 1 x^2
  3. Cx+ 2 x
  4. Dx- 2 x

Correct answer

D. x- 2 x

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