If r is a rational number and s is an irrational number, then which one of the following is true?

\[(r+s)(r-s)\] will always be an irrational number.

\[\frac{(r+s)}{(r-s)}\] will always be a rational number.

rs will always be an irrational number.

If r is a rational numb

1.	If r is a rational number and s is an irrational number, then which one of the following is true?
A.	\[(r+s)(r-s)\] will always be an irrational number.
B.	\[\frac{(r+s)}{(r-s)}\] will always be a rational number.
C.	rs will always be an irrational number.
D.	\[\frac{r}{s}\]
E.	None of these
Answer» F.

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If r is a rational number and s is an irrational number, then which one of the following is true?

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