like honestly.
start with a function that can be expressed as the product of two functions, u and v.
uv
take the derivative of that function
(uv)’=u’v+uv’
so
u’v=(uv)’-uv’
Integrate that shit
∫ u’v = ∫(uv)’ - ∫uv’
and of course the ∫(uv)’ is just uv.
∫ u’v = uv - ∫uv’
WHAT
I appreciate this post. I appreciate integration by parts.
integration by parts makes me feel so alive




