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Black Book Advanced Problems in MathematicsMathematicsIndefinite and Definite Integration

Let x x ^3 x dx = 1 2 (x f(x) - g(x)) + k , then :

Options

  1. Af(x) (-1, 1)
  2. Bg(x) = x has 6 solution for x [- , 2 ]
  3. Cg'(x) = f(x), x R
  4. Df(x) = g(x) has no solution

Correct answer

A. f(x) (-1, 1)

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