How Do You Integrate Sqrt(2x + 7) dx Using Substitution?

Join the discussion

Ask a follow-up here, or get your own question answered by working scientists, mathematicians and engineers — people, not an autocomplete.

Real named experts · corrections over time · the nuance an AI answer skips

1 reply · 2K views

chromecarz00

Homework Statement

∫ Sqrt(2x + 7) dx

I know that part of it is
(2x+7) ^ 3/2 , but is there a chain rule to it?
3

Physics news on Phys.org

Dick

It's the chain rule in a way. Put u=2x+7, du=2dx. When you get the answer check it by differentiation and you'll see the chain rule.