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Mathematics 21 Online
OpenStudy (anonymous):

can someone help to try and find my mistake. t^2y''-2ty'-4y=0 t>0 f(t)=t^-1 In Problems 45 through 48, a differential equation and a non-trivial solution f are given. Find a second linearly independent solution using reduction of order.

OpenStudy (anonymous):

http://prntscr.com/1i4drn is a picture of my work i think i did everything above the line correct as i needed the V terms to cancel and they did

OpenStudy (anonymous):

correct ans is t^4 i got t

OpenStudy (anonymous):

@zepdrix think you can find my mistake?

OpenStudy (anonymous):

never mind i found it!

zepdrix (zepdrix):

Oh cool :) gj!

zepdrix (zepdrix):

The reason it takes me so long to respond is: I haven't done these problems since last semester, I can't remember how to do them. So I have to work from the start lol XD

OpenStudy (anonymous):

i left out the 4 when i separated my equation so that must be the ^4 that's missing

zepdrix (zepdrix):

ah :D

OpenStudy (anonymous):

its all good this stuff is ridiculous i will def forget it when im done. ill probably come to this site a lot to try and help people so i can continue to retain it as well

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