PDA

View Full Version : Showing proof of an inequality?


Ross321
Oct 19, 2009, 03:12 PM
I have the following problem:

x is a real number that is not equal to 0.

x^2+ (1⁄x^2) ≥ 2

I know the equation is right, but I can't seem to figure out how to prove it.

Ross321
Oct 19, 2009, 03:14 PM
My mistake this is in the wrong section, posting in the homework help area..