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Black Book Advanced Problems in MathematicsMathematicsIndefinite and Definite Integration

1-x^7 x(1+x^7) dx = P |x| + Q |x^7 + 1| + C , then :

Options

  1. A2P - 7Q = 0
  2. B2P + 7Q = 0
  3. C7P + 2Q = 0
  4. D7P - 2Q = 1

Correct answer

B. 2P + 7Q = 0

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