Answer and explanation

Correct answer: C.

  1. Step 1: Use integration by parts: let , and .
  2. Step 2: Apply formula: .
  3. Step 3: Integrate remaining term: .
  4. Step 4: Combine: .
Answer
(1/2)x e^(2x) - (1/4)e^(2x) + C.
Why not the others: The option forgets to divide by 2 on second integral; the option forgets both coefficients; the option integrates product as product of integrals.

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