I don't understand what happens to the du for u subsitution when solving for integrals. I understand that u is the innermost function and the antiderivative of it is what we need to find to solve the intergral but what happens to the du?
I don't understand what happens to the du for u subsitution when solving for integrals. I understand that u is the innermost function and the antiderivative of it is what we need to find to solve the intergral but what happens to the du?