If , evaluate the exact value of .
Answer and explanation
Correct answer: D.
- Step 1: Write .
- Step 2: The first part integrates to .
- Step 3: The second: . So the result is .
Answer
10.
Why not the others: forgets to subtract the part; the fractions come from integrating the second part with a wrong factor.
Practise more Calculus: Anti-differentiation and Areas Under Curves.
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