SOLUTION: what are the non-permissible values of the rational expression 4xy/4x^2y^2? a. x=0 and y=1 b. x=0 and y=0 c. x=4 and y=-1 d. x=2 and y=-2

Algebra ->  Rational-functions -> SOLUTION: what are the non-permissible values of the rational expression 4xy/4x^2y^2? a. x=0 and y=1 b. x=0 and y=0 c. x=4 and y=-1 d. x=2 and y=-2      Log On


   

Question 89245: what are the non-permissible values of the rational expression 4xy/4x^2y^2?
a. x=0 and y=1
b. x=0 and y=0
c. x=4 and y=-1
d. x=2 and y=-2
Answer by malakumar_kos@yahoo.com(315) About Me  (Show Source):
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what are the non-permissible values of the rational expression 4xy/4x^2y^2?
a. x=0 and y=1
b. x=0 and y=0
c. x=4 and y=-1
d. x=2 and y=-2

On simplification the given expression becomes 1/4xy
hence if x=0 or y= 0 1/xy is not defined therefore (a) and (b)
are nonpermissible values