All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions.

(i)

(ii)

(iii)

Note that

When

Therefore,

Personal Comments:

Some students still forgot to add the arbitrary constants. 🙁

Students should know how to utilise the MF15 formula to do the integration. The rest of the question is quite standard, though the calculations are ready tedious and hard here.

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