Question: Couldn't solve the following using Maple.

I have been trying to solve the following question using Maple for quite some time but couldn't do it. Any guide will be highly appreciated. 

P.S: I have just started learning it by myself in the last few days. I have been following An Introduction to Modern Mathematical Computing: With Maple. If you could suggest a more useful text, that would be helpful.

Please find the question below.

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