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The query is because this post has 6 homework questions rather than 3.

Not sure if all or one are to be attempted?

Yes, Let me follow up with @stream4u to group the subparts under three heads/questions.

It seems like these are 5 sub-parts of a single Question. I will ask him to edit it.

Thank you.

dear @sapwood, please accept my request on discord. I want to talk you seriously.

Done

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