Evaluate for .

Answer and explanation

Correct answer: D.

  1. Step 1: Factor numerator: .
  2. Step 2: Simplify integrand: .
  3. Step 3: Integrate: .
Answer
\frac{x^2}{2} + x + C.
Why not the others: '' differentiates instead; '' has a sign error; '' integrates only 1.

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