No. 2 is a rational number. Rational numbers are number that can be expressed as a division of two integers, with the denominator not being zero. 2 can be expressed as 2 divided by 1, so it is rational.
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Sometimes. eg the irrational number √2 squared is 2 which is rational (2 = 2/1) eg the irrational number √(√2) squared is √2 which is irrational.
The square root of 2 is irrational, yet the product of it with itself is 2. So the answer is no.
irrational
Yes, the square root of 2 is an irrational number.
It isn't. 2 is perfectly rational.You are confused with the square root of 2, which is an irrational number.