Express 10/√5 in the form k√5 ?

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2007-05-16 02:44:23 · 5 answers · asked by tabs 1 in Science & Mathematics ➔ Mathematics

10/√5 (√5/√5) = 10√5/5 = 2√5

2007-05-16 02:46:47 · answer #1 · answered by Jim Burnell 6 · 0⤊ 0⤋

10 / â5 = 10.â5 / (â5.â5) = 10â5 / 5 = 2.â5

2007-05-16 14:26:19 · answer #2 · answered by Como 7 · 0⤊ 0⤋

2 sqrt 5

2007-05-16 09:47:41 · answer #3 · answered by Fiddy 4 · 0⤊ 0⤋

10/sqrt(5) = 10 * sqrt(5)/ [sqrt(5) * sqrt(5)] = 10 * sqrt(5) /5
= 2 * sqrt(5)

2007-05-16 09:52:09 · answer #4 · answered by Paleologus 3 · 0⤊ 0⤋

k=2
multiply & divide by root 5

2007-05-16 09:47:05 · answer #5 · answered by coolgenius 1 · 0⤊ 0⤋