Posted by **so CONFUSED!** on Sunday, February 14, 2010 at 2:18am.

How do I integrate this?

constant(1- z/[sqrt (z^2 + constant^2)]

i know i can take the constant out so I have

constant * integral 1- z/[sqrt (z^2 + constant^2)]

and I know the integral of

z/[sqrt (z^2 + constant^2)] is

[ln z^2 + constant^2]/2

I just need to know in general how to separate the 1 + , i.e.

integral of 1 + f(x) = ?

- Integration-Calculus -
**so CONFUSED!**, Sunday, February 14, 2010 at 2:19am
sorry i meant 1- f(x)

1-, not 1+

- Integration-Calculus -
**so CONFUSED!**, Sunday, February 14, 2010 at 2:20am
is it just integral 1 + integral f(x)

and the integral 1 = x?

- Integration-Calculus -
**drwls**, Sunday, February 14, 2010 at 7:11am
Yes, the integral of 1(*dx) is just x.

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