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Black Book Advanced Problems in MathematicsMathematicsIndefinite and Definite Integration

If dx ^3 x - ^3 x = A ⁻¹(f(x)) + B | 2 + f(x) 2 - f(x) | + C where f(x) = x + x find the value of (12A + 9 2 B) - 3 .

Correct answer

8

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