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I need help I’m really struggling

I need help I’m really struggling-example-1

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Answer:

Last choice. √14/√14

Explanation:

Multiplying by the reciprocal of the denominator would "cancel" the denominator, but To rationalize the -√14, you have to multiply it by √14 and you need an equivalent of 1 to keep the terms equal. So the numerator and denominator have to be multiplied by the same thing.

User Dan Goldin
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