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. :)

## Answer this Question

## Related Questions

- Math Help please!! - Could someone show me how to solve these problems step by ...
- Math - How do you find a square root of a number that's not a perfect square? I'...
- Mathematics - sqrt 6 * sqrt 8 also sqrt 7 * sqrt 5 6.92820323 and 5.916079783 So...
- math,algebra,help - Directions are simplify by combining like terms. x radiacal ...
- Math(Roots) - sqrt(24) *I don't really get this stuff.Can somebody please help ...
- Inequality - When I solve the inquality 2x^2 - 6 < 0, I get x < + or - ...
- math calculus please help! - l = lim as x approaches 0 of x/(the square root of...
- Math/Calculus - Solve the initial-value problem. Am I using the wrong value for ...
- Calculus - Please look at my work below: Solve the initial-value problem. y'' + ...
- math help - 15sqrt8x^15/5sqrt2x^4 remember that sqrt(a)/sqrt(b) = sqrt(a/b) ...