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Mathematics 9 Online
OpenStudy (anonymous):

\[\frac{d^2 y}{dx^2} - \frac{7dy}{dx} + 12y = -2xe^{4x} + 2\] my answer is \[y = e^{4x} [c_1 + 2(x+1)] + e^{3x} [c_2 + 2(x+1)] + \frac{2}{7e^{3x}} + \frac 23\] am i right??

OpenStudy (jiteshmeghwal9):

LaTeX mistake dude:)

OpenStudy (anonymous):

i do not get a thing in that solution....i just want to know if im right though

OpenStudy (experimentx):

solution from WA \[y(x) = c_1 e^{3 x}+c_2 e^{4 x}-e^{4 x} x^2+2 e^{4 x} x+1/6 \] http://www.wolframalpha.com/input/?i=y%27%27+-+7y%27+%2B+12+y+%3D+-2x+e^%284x%29+%2B+2

OpenStudy (anonymous):

uhmm okay...i quit...im too lazy to redo this thing and find out where i went wrong =_=

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