Hi everybody!

You guys helped me a lot!. I figured out how to reach to the solution. I'll post it here just in case somebody need it!

From the original expression:

by separating the variables we have:

with substitution of

, I get that

To obtain the following expression to be solved by direct integration:

whose solution is:

for

being the integration constant. Thanks

**Prove It** for your

excellent post about it!

Now it's simple to follow

**Soroban**:

, this was the difficult step for me :S

, now let

Thanks so much !!!