# Trig

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3-square root 2/ 1+square root 2

• algebra -

This is not trig.

(3 - sqrt2)/(1 + sqrt2)
= (3-sqrt2)(1-sqrt2)/[(1-sqrt2)(1+sqrt2)]
= [3 - 4sqrt2 +2]/(1-2)
= (5 -4sqrt2)/-1
= 4sqrt2 -5

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