Author: dx Format: TextI thought one could discuss a little bit differentiation under the integral sign. be cautious as what I write here may not contain the actual thing.
d/dx ∫ dx f(x)
integrating by parts, we get
d/dx ∫ dx f(x) = f(x) - ∫ f(x) dx
I thought one could discuss a little bit differentiation under the integral sign. be cautious as what I write here may not contain the actual thing.