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Mathematics 19 Online
OpenStudy (zaxoanl):

help please

OpenStudy (zaxoanl):

\[(x-2)dx/(x^2(x-1)^2)\]

OpenStudy (zaxoanl):

so i did partial fraction and got x-2=(Ax+B)(x-1)^2 + C(x-1)x^2 + Dx^2

OpenStudy (zaxoanl):

i let x=1 -1=D x=0 -2=B x=2 0=(2A-B) +4C -4D

OpenStudy (zaxoanl):

there is something wrong and i wasn't able to find all the values

OpenStudy (zaxoanl):

no i'm suppose to find it

OpenStudy (welshfella):

I think there are only constants in the partial fractions x - 2 A B C D ---- = --- + --- + --- + ---- x^2(x - 1)^2 (x -1) (x - 1)^2 x^2 x

OpenStudy (welshfella):

you only write Ax + B if its a function degree 2 that 's prime like x^2 + 4

OpenStudy (zaxoanl):

thank you i get it now

OpenStudy (welshfella):

yw

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