Very curious integral (overlap integral)

[Ahmad Kishki]

The dx actually precedes the function! What does that mean, please explain it simply, my qm book just brushed over it.

 

[Quantum Defect]

The dx actually precedes the function! What does that mean, please explain it simply, my qm book just brushed over it.

Duke Ellington: "It don't mean a thing..."

You can put "dx" at the front or at the back of the integrand; there is no difference. They mean the same thing.

 

[Ahmad Kishki]

Duke Ellington: "It don't mean a thing..."

You can put "dx" at the front or at the back of the integrand; there is no difference. They mean the same thing.

My life is a lie :D thanks.