# What's the integral of u''(x)/u'(x)?

#### kasse

What's the integral of u''(x)/u'(x)?

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#### *melinda*

you need to do u substitution

#### dynamicsolo

Homework Helper
What's the integral of u''(x)/u'(x)?
If you were to call v = u'(x), what would u''(x) be? You can make a new integral in terms of v. If the result tells you what v is, you can now substitute back to find an expression in terms of u.

#### kasse

Of course, thank you!

#### kasse

Btw, how is u'' to be pronounced?

u prime prime? u double prime?

#### dynamicsolo

Homework Helper
Btw, how is u'' to be pronounced?

u prime prime? u double prime?
"u double prime" is typical.

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