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True or false: The equation below is too complicated to use the "isolate the

radical, then square both sides" method to simplify.

True or false: The equation below is too complicated to use the "isolate the-example-1
User Carton
by
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1 Answer

2 votes

Answer: False

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Step-by-step explanation:

The radical is one step away from being fully isolated. We would apply the rule that
(√(A))/(√(B)) = \sqrt{(A)/(B)}

In this case,


(√(x+3))/(√(x-1)) = \sqrt{(x+3)/(x-1)}

Meaning that the equation


(√(x+3))/(√(x-1)) =3

is the same as


\sqrt{(x+3)/(x-1)} = 3

From here, we square both sides and use algebra to isolate x.

User Ilmatte
by
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