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Black Book Advanced Problems in MathematicsMathematicsIndefinite and Definite Integration

The value of function f(x) = 1 + x + ₁^x ( ^2 t + 2 t) dt where f'(x) vanishes is :

Options

  1. A1 e
  2. B0
  3. C2 e
  4. D1 + 2 e

Correct answer

D. 1 + 2 e

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