Question :- if r is rational and s is irrational, then r + s and r - s are irrational numbers, and rs and r/s are irrational numbers, r ≠ 0.
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If r is a rational number and s is irrational, then r + s is irrational. ... Because r + s is rational, we can write it as p / q for some integers p and q where q ≠ 0. Similarly, since r is rational, we can express it as a / b for some integers a and b where b ≠ 0.
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