Posted by ant on Thursday, June 24, 2010 at 9:27am.
simplify: 5 / sqrt (7)  sqrt(2)
a) sqrt (7)  sqrt (2)
b) sqrt(7) + sqrt (2)
c) 5 sqrt((7) + sqrt (2))/ 9
d) 1

algerba  Reiny, Thursday, June 24, 2010 at 10:00am
The way you typed it, none of these answers are correct,
BUT
if you mean
5/(√7  √2) then
5/(√7  √2)
=5/(√7  √2) * (√7+√2)/(√7+√™)
= (5√7 + 5√2)/5
= √7 + √2

algerba  ant, Thursday, June 24, 2010 at 10:12am
im truly sorry because i cant get how to write these square root correctly. but yes that what i meant the way yo wrote it and thanks so much for your help reiny. :)
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