Q52 · Practice questionComplex familiar5 marks
QUESTION 52 (5 marks)
Evaluate exactly
WORKED SOLUTION
5 marksPractice marking scheme
ANSWER
.
Worked solution
Integration by parts with , gives A second integration by parts gives . Therefore Evaluating the limits,
Applies integration by parts once.
Applies integration by parts again.
Obtains the antiderivative.
Evaluates the definite integral.
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