If you rationalize the denominator of

then you will get

http://webwork.rutgers.edu/webwork2_...0485581e51.png

r will = 11

s will = 4

why won't n = 1?

how would you find n?

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- Sep 14th 2011, 06:51 AMhabibixoxRationalizing
If you rationalize the denominator of

then you will get

http://webwork.rutgers.edu/webwork2_...0485581e51.png

r will = 11

s will = 4

why won't n = 1?

how would you find n? - Sep 14th 2011, 07:01 AMpiscoauRe: Rationalizing
try to multiply upper part and lower part by 11sqrt(5)+4sqrt(3), and then use the identity: a^2-b^2 = (a+b)(a-b). n should be 557