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submitted 3 months ago* (last edited 3 months ago) by [email protected] to c/[email protected]

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Then I am stuck. I think the provided answer contains an error. But even if they are right, why does this last step equal f(x,y) + g(y) ????

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[–] [email protected] 1 points 2 months ago

I am enrolled in university which may be the sad part. Anyway, thanks for thr advice, I'm going to look further