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If you square an expression and then take the square root, the squaring and the square root cancel one another, EXCEPT that the sign will be positive. Thus, if you square 16x, and then take the square root, the answer can be 16x or -16x, depending on whether "x" is positive or negative. Or if you only square x, and then take the square root of the entire expression, it would be 4x or -4x (once again, depending on whether "x" is positive or negative).
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What is the square root of 28 minus the squared root of 7?
The square root of 28 minus the squared root of 7 =±2.64575131
What is the square root of 5ab the square root of 10ab squared?
No.
Can a perfect square have a negative square root?
If a is any number, then a squared = (-a) squared, so one might say that a and -a are both square roots of a squared. However, the square root symbol always means the positive square root.
What is the square root of the meter of square?
The square root of meter squared is meter.
Is the square root of 5 squared a rational number?
The square root of 5 squared is 5, which is a rational number.
