Question

Intergral of 1/ sqrt(1+2x) dx ? Upper limit=12 Lower limit = 0.

Answer 1

use u- substituion

Answer 2

\[\int\limits_{0}^{12} 1\div \sqrt{1+2x} dx \] This is what it looks like .. im getting the answer 8 but its actually 4. please explain?

Answer 3

u= 1 + 2x
du= 2 dx

Answer 4

1/2 intergral of 1/sqrt(u) du

Answer 5

..still lnot understanding ..