SOLUTION: Find all numbers for which the rational expression is undefined fraction s^3-7s/s^2-25 The number for which the rational expression is undefined are

SOLUTION: Find all numbers for which the rational expression is undefined fraction s^3-7s/s^2-25 The number for which the rational expression is undefined are _.

Question 165007: Find all numbers for which the rational expression is undefined
fraction
s^3-7s/s^2-25
The number for which the rational expression is undefined are _.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
(s^3-7s)/(s^2-25) I assume that this is the problem. Use parentheses to avoid confusion.
(s^3-7s)/((s+5)(s-5))
The expression is undefined when s=5 or s=-5 because then there would be division by zero, which is not allowed.
.
Ed

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