SOLUTION: Simplify into one rational expression x^-1

Click here to see ALL problems on Rational-functions

Question 108443: Simplify into one rational expression
x^-1 - y^-2
Found 4 solutions by ankor@dixie-net.com, checkley71, stanbon, chitra:
Answer by ankor@dixie-net.com(22740)   (Show Source):
You can put this solution on YOUR website!
Simplify into one rational expression
- = - =

Answer by checkley71(8403)   (Show Source):
You can put this solution on YOUR website!
X^-1=1/X
Y^-2=1/Y^2
1/X-1/Y^2=(Y^2-X)/XY^2

Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website!
Simplify into one rational expression
x^-1 - y^-2
-------------
(1/x) - (1/y^2)
= (y^2-x)/xy^2
====================
Cheers,
Stan H.

Answer by chitra(359)   (Show Source):
You can put this solution on YOUR website!
The given expression is:

this can be written as:

Taking LCM, we get:

thus the simplied rational expression.

SOLUTION: Simplify into one rational expression x^-1 - y^-2