妙妙貓

Please help the solve the following questions
I attempted it several times but I still can't solve it
Here are the questions with my working out

Thank you very much.

Edit: I'm not quite sure why the images I attach aren't appearing. Here is a link to the image: https://drive.google.com/file/d/ ... Hh/view?usp=sharing

[ 本帖最後由 妙妙貓 於 2022-5-12 05:33 PM 編輯 ]

妙妙貓

I don't believe the parts are related. Here is an image of the full question: https://drive.google.com/file/d/ ... yt/view?usp=sharing

I put it into wolfram alpha and there are no solutions. Then we are supposed to prove that there are no solutions probably.