f $$\int_{\Box}^{\Box}(\Box) d\Box$$ $$\int_{\Box}^{\Box}(\Box) d\Box$$ f(x,y) dx dy by substitution x+y=u y=uv
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.
f $$\int_{\Box}^{\Box}(\Box) d\Box$$ $$\int_{\Box}^{\Box}(\Box) d\Box$$ f(x,y) dx dy by substitution x+y=u y=uv
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.