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Earn +20 ptsQ: Is sqrt 81 a irrational number?
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What is a rational number multiplied by an irrational number equal?
It can be a rational number or an irrational number. For example, sqrt(2)*sqrt(50) = 10 is rational. sqrt(2)*sqrt(51) = sqrt(102) is irrational.
Two irrational number whose sum is an irrational number?
Sqrt(2) and sqrt(3)
Is an irrational number closed under division?
No. sqrt(8) is irrational sqrt(2) is irrational but sqrt(8) /sqtr(2) = sqrt(4) = ±2 is not irrational.;
Why is phi an irrational number?
phi = [1+sqrt(5)]/2 sqrt(5) is irrational and so phi is irrational.
Write a numerical expression of the sum of two irrational numbers resulting in an irrational number?
sqrt(2) + sqrt(3) is irrational.
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