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NDA2013MathematicsIndefinite IntegrationActual

What is (x x+ x) d x equal to? where c is an arbitrary constant.

Options

  1. Ax sinx+c
  2. Bx cosx+c
  3. C–x sinx +c
  4. D–x cosx +c

Correct answer

A. x sinx+c

Step-by-step solution

aligned & (x x+ x) d x & = x x d x+ x d x & =x x+ x- x+C & =x x+C aligned

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