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/sci/ - Science & Math

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2878908

Anonymous Tue Apr 12 23:57:36 2011 No.2878908 [Reply] [Original]

Hello /sci/, quick 2 questions. Need to simplify the following.

18. √7/8 (seven eighths)

19. 3√5 x √15

>>	Anonymous Wed Apr 13 00:02:36 2011 No.2878926 BUMP

>>	Anonymous Wed Apr 13 00:04:36 2011 No.2878932 You cant plug shit into a calculator? >http://www.wolframalpha.com/input/?i=3%285%29^%281%2F2%29*%2815%29^%281%2F2%29

>>	Anonymous Wed Apr 13 00:04:36 2011 No.2878933 18. I assume it means √(7/8): √7/√8 √7/√(42) √7/2√2 no radicals on denominator, so multiply by √2/√2 √14/4 19. 3 √5 * √15 3 * √75 3 * √(25 * 3) 3 * 5 * √3 15√3. Now gtfo.

>>	Anonymous Wed Apr 13 00:04:36 2011 No.2878937 (√7)/(2√2) 15√3

>>	Anonymous Wed Apr 13 00:06:36 2011 No.2878946 >>2878937 >he keeps square roots in the denominator