solve xy" - 4y' = x^4 by method of variation of parameter

make the coefficient of y" unity by dividing by x

find CF in the form Ay1 + By2 (using trial and error or some other method)

find the wronskian

and then find the PI as shown below

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Possible error in "u"

ReplyDeleteThe integral should be -1/25, not -1/5

thank you for pointing out the error

ReplyDelete