(adsbygoogle = window.adsbygoogle || []).push({}); past exams questions...help~!!

hi i encountered a few difficult questions and i dont know how to solve them.. any help would be greatly appreciated:

1.

Find the area of the cap cut from hemisphere X^2 + Y^2 +Z^2=2 (Z=>0)

by the cylinder X^2 + Y^2=1

2.

Use method of undetermine coefficient to solve the linear system

dX/dt= X - Y + 1

dY/dt=2X + 4Y -2

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# Homework Help: Past exams questions help~

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