Unless you can show some work and say where you get stuck there's not much can be done. I'm puzzled how just getting the answers can help you if you don't understand the work ....

Please don't ask so many questions in the one post. And please type your questions rather than attaching them all as image files.

Thread closed. Please feel free to post in new threads - no more than three questions per post, typed rather than attached, and include what you've tried and wheer you get stuck.

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There are two things you should never try to prove: the impossible and the obvious.

The greater danger for most of us lies not in setting our aim too high and falling short; but in setting our aim too low and achieving our mark. (Michelangelo Buonarroti)

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