(2√2-√6)(√2+√6) = .... Question from @risda22

September 2018 2 101 Report

(2√2-√6)(√2+√6) = .....

Desyharahap = 2.2 + 2√12-√12-6
= 4+√12-6
= -2+√4.3
= -2+2√3
kalau tidak salah seperti itu :)

0 votes Thanks 1

nouvhiienoeruel $(2 \sqrt{2} - \sqrt{6} )( \sqrt{2}+ \sqrt{6}) *dikalikanantarkurung* \\ =2\sqrt{2}. \sqrt{2}+2 \sqrt{2}. \sqrt{6}- \sqrt{6}. \sqrt{2}- \sqrt{6} .\sqrt{6} \\ =2 \sqrt{2.2} + 2 \sqrt{6.2}- \sqrt{6.2}- \sqrt{6.6} \\ =2 \sqrt{4}+2 \sqrt{12}- \sqrt{12}- \sqrt{36} \\ =4+4 \sqrt{3}-2 \sqrt{3}-6 \\ =-2+2 \sqrt{3} atau 2 \sqrt{3}-2$ ≡

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(2√2 - √6) (√2 + √6) =

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