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Black Book Advanced Problems in MathematicsMathematicsIndefinite and Definite Integration

Let J = _ -1 ^2 ( ⁻¹ 1 x + ⁻¹ x ) dx, K = _ -2 ^ 7 x | x| dx . Then which of the following alternative(s) is/are correct ?

Options

  1. A2J + 3K = 8
  2. B4J^2 + K^2 = 26 ^2
  3. C2J - K = 3
  4. DJ K = 2 5

Correct answer

A. 2J + 3K = 8

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