Re triangular numbers

ramsey2879

Find all a,b such that a*T(b) + b^2*T(a-1) = b*T(a) + a^2*T(b-1)

example solution a = 3, b = 7

CRGreathouse

I think this holds for any (a, b).

hamster143

Correct, both sides are always equal to T(a*b).

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ramsey2879 Blog Entries: 2	Re triangular numbers Tweet Find all a,b such that aT(b) + b^2T(a-1) = bT(a) + a^2T(b-1) example solution a = 3, b = 7

CRGreathouse Recognitions: Homework Help Science Advisor	I think this holds for any (a, b).