Need help with this circuit

WBahn

Joined Mar 31, 2012
32,827
need help proving this
"Help" implies you making an effort and us assisting you find the way to a solution. So please show YOUR best effort at solving YOUR homework problem. Don't worry about being correct, we'll help you identify where you're going astray. But the more effort you put in the quicker and more productive will be the assistance you receive.
 
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