Posted by aly on Saturday, January 19, 2013 at 8:03pm.
Simplify the rational expression in the form A/B. X^2+X^4. Express the final result in a single fraction using positive exponents only.

math  Reiny, Saturday, January 19, 2013 at 9:06pm
x^2+ x^4
= 1/x^2 + 1/x^4
=(x^2 +1)/x^4