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Mathematics 39 Online
OpenStudy (sam):

how do i show a function of y is the solution of a differential equation

OpenStudy (sam):

y = 1/x integral e^t/t dt from 1 to x. x^2y' + xy = e^x i started by figuring y' = (e^x-xy)/x^2 now, i believe the next step is to plug in y, but am unsure how to do so

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