Mathematics, 13.03.2021 05:00, Bigman8518

I'm stuck on b, I've tried many methods but nothing seems to work (please help this is due in 3 hours)

I'm stuck on b, I've tried many methods but nothing seems to work (please help this is due in 3 hou

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I'm stuck on b, I've tried many methods but nothing seems to work (please help this is due in 3 hour...