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square root (6- √20)/2?

2007-07-29 02:33:19 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

2 answers

(6 - 2√5) / 2 = 3 - √5

2007-08-01 09:06:29 · answer #1 · answered by Como 7 · 1⤊ 0⤋

(6 - √(4*5))/2
(6 - √4 * √5) /2
6/2 - (2√5)/2
3 - √5

2007-07-29 09:36:56 · answer #2 · answered by lissa 2 · 0⤊ 0⤋

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