Homework Questions/MA266Fall10

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I was doing supplemental problem A and found: e^(-2t)(2A-2At^2+4At-3)=0 -So if t=0 then A=3/2 And: e^-2t(-4Bt+4B-3)=0 -So if t=0 then B=4/3

But with the variable t I wasn't sure if these answers were enough for A and B or if I needed to find more possibilities, which I had no clue how to do.

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