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January 31, 2015

January 31, 2015

Posted by **ant** on Thursday, June 24, 2010 at 9:27am.

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 10:00amThe 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 10:12amim 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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