if x in an rational number but not equal to zero and y is an irrational number. Proof that x/y is an irrational number?

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- February 28th 2008, 07:05 AMsthatoProof the following using denseness in reals
if x in an rational number but not equal to zero and y is an irrational number. Proof that x/y is an irrational number?

- February 28th 2008, 08:24 AMJaneBennet
If is rational, then is rational too. ( exists as .) Contrapositively, if is irrational, must be irrational.

- February 28th 2008, 09:44 AMsthatoThanks
Thanks for your help Jane.(Yes)