Q125 · Practice questionTechnology-freeComplex familiar5 marks
QUESTION 125 (5 marks)
Evaluate and then evaluate it from to .
a)[3 marks]
Use integration by parts to obtain an antiderivative.
b)[2 marks]
Evaluate the definite from to .
WORKED SOLUTION
5 marksPractice marking scheme
ANSWER
.
Worked solution
Part (a): Let , so . .
Part (b): .
Part (a): completes the requested reasoning and obtains a correct result.
Part (b): completes the requested reasoning and obtains a correct result.
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