SOLUTION: Can you tell me if I am working this problem correctly. I am simplifing the expression, using only positive exponents in my answer. {{{(x^-2)/((x^-2)-(y^-2))}}} I make the e

Question 123760: Can you tell me if I am working this problem correctly. I am simplifing the expression, using only positive exponents in my answer.

I make the exponent positive by doing this
Next I find that my LCD =
By multiplying all numerators by and canceling out where possible, I come up with a final answer of

Am I correct with my steps and final answer? Thanks for your help in advance!
Lee

Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
X^-2=1/X^2 CHANGING A NEGATIVE EXPONENT TO A POSITIVE EXPONENT YOU PLACE THE NUMERATOR IN THE DENOMINATOR.
1/(X^-2)-(Y^-2)=X^2-Y^2 CHANGING THE NEGATIVE EXPONENT TO A POSITIVE EXPONENT YOU PLACE THE DENOMINATOR IN THE NUMERATOR.
THUS WE HAVE:
(X^2-Y^2)/X^2 ANSWER.
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