SOLUTION: Please help me state the excluded values for each rational expression? a^-2a+1 -------- a^+2a-3

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Question 188963This question is from textbook
: Please help me state the excluded values for each rational expression?
a^-2a+1
--------
a^+2a-3 This question is from textbook

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
I assume the denominator is a%5E2%2B2a-3
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if so a%5E2%2B2a-3cannot =0 or equation would be undefined
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so set a%5E2%2B2a-3=0
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%28a%2B3%29%28a-1%29=0
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so if a were -3 or 1 the equation would be undefined....therefore a=-3,1 are excluded values for a