Posted by Math on .
i'm not sure how to evaluate this
(6)/(X^4) + (5)/(X^2)

Algebra 2 
Reiny,
the common denominator would be
(x^24(x^22), so
(6)/(X^4) + (5)/(X^2)
= [6(x^22) + 5(x^24)]/[(x^24(x^22)]
= (11x^2  32)/[(x^24(x^22)]
(are you sure the second denominator wasn't (x2) ?
it would have worked much better)