Find all numbers for which the rational expression is undefined?

Find all numbers for which the rational expression is undefined?

Postby hyun-shik34 » Wed Dec 16, 2009 8:56 pm

2 / 3x+5
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Find all numbers for which the rational expression is undefined?

Postby berthold » Wed Dec 16, 2009 8:57 pm

Undefined is when the denominator=0

So set 3x+5=0

3x=-5
x=-5/3

Other than that, I don't know.
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