Question

The rational expression
a^1/2 + a^-1/2 upon 1-a + 1-a^-1/2/1+√a, where a is not equal to 1, is equal to

Answer 1

Answer:

to find the roots of a Rational Expression we only need to find the the roots of the top polynomial, so long as the Rational Expression is in "Lowest Terms".

So what does "Lowest Terms" mean?

Lowest Terms

Well, a fraction is in Lowest Terms when the top and bottom have no common factors.