Evaluate the definite integral .

Answer and explanation

Correct answer: C. 1

  1. Step 1: Use integration by parts: let , and .
  2. Step 2: Apply formula: .
  3. Step 3: Evaluate from 0 to 1: .
Answer
1.
Why not the others: '' neglects the negative sign when subtracting lower bound; '' evaluates only at 1; '' adds 1 to 1.

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