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Question

(√6 + 2)^2 _(√6 _2)^2
Surd?
6 years ago

Answers

Reiny
If you mean -----
(√6 + 2)^2 - (√6 - 2)^2
then we get
6 + 4√6 + 4 - (6 - 4√6 + 4)
= 10 + 4√6 - 10 + 4√6
= 8√6

do you see a surd?
6 years ago

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