No; the square root of any rational number squared is that rational number.
Examples:
√(2^2) = √4 = 2.
√((1/2)^2) = √(1/4) = 1/2
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No. The square root of two is an irrational number. If you multiply the square root of two by the square root of two, you get two which is a rational number.
The square root of 2 times the square root of 2 is rational.
irrational square root of 121 = 11 square root of 1.21 = 1.1 square root of 12.1 = 3.47...
No. If 'x' is a perfect square, then its square root is also rational.
The square root of the prime number 19 is an irrational number