What is the domain of ln((x^2)+1)

[From: ] [author: ] [Date: 12-10-07] [Hit: ]

-( 1, infinite )-use this it will give you the answer. http://www.mathway.com/problem.aspx?......

What i the domain of ln((x^2)+1)?
Thanks

x² + 1 > 0
x² > -1
x > ±i

all real numbers.

( 1, infinite )

use this it will give you the answer. http://www.mathway.com/problem.aspx?p=algebra

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