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Black Book Advanced Problems in MathematicsMathematicsIndefinite and Definite Integration

I = ( x - 1 ( x)^2 + 1 )^2 dx is equal to:

Options

  1. Ax x^2 + 1 + C
  2. Bx ( x)^2 + 1 + C
  3. Cx 1+( x)^2 + C
  4. De^x ( x x^2 + 1 ) + C

Correct answer

C. x 1+( x)^2 + C

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