sqrt 45 = sqrt 5 x sqrt 9 = 3 sqrt 5. Sqrt 5 is irrational so 3 root 5 is also irrational.
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irrational
No, nor is it a real number. The square root of minus 54 is equal to the square root of plus 45, times i.
is the square root of 3 rational
No, the square root of 1500 is not a rational number.
The square root of 225 is 15, which is a rational number.