Asked by Josh
Determine the Values for Which a Rational Expression is Undefined
In the following exercises, determine the values for which the rational expression is undefined
4x^2y/3y....y=0
Whats the best way for me to grasp this concept.
I have reread the examples from my book but Im not understand what they are doing exactly.
In the following exercises, determine the values for which the rational expression is undefined
4x^2y/3y....y=0
Whats the best way for me to grasp this concept.
I have reread the examples from my book but Im not understand what they are doing exactly.
Answers
Answered by
Josh
oh I know I cancel out the y's
I will have 4x^2/3
I will have 4x^2/3
Answered by
oobleck
that's right.
4x^2y/3y = 4x^2/3
for all values of x and y except y=0
When y=0, you have 0/0 which is undefined.
4x^2y/3y = 4x^2/3
for all values of x and y except y=0
When y=0, you have 0/0 which is undefined.
Answered by
Josh
okay i have a similar question
Add and Subtract Rational Expressions whose Denominators are Opposites
(2b^2 + 30b − 13)/(b^2 − 49) − (2b^2 − 5b − 8)/(49 − b^2)
Add and Subtract Rational Expressions whose Denominators are Opposites
(2b^2 + 30b − 13)/(b^2 − 49) − (2b^2 − 5b − 8)/(49 − b^2)
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