Asked by ant

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
Answered by Reiny
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
Answered by ant
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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