Square Root Squirrel. For example, 4 and −4 are square roots of 16, because 42 = (−4)2 = 16. A square root of a number is.
In other words, a number y whose square (the result of multiplying the number by itself, or y ⋅ y) is x.
To square a number, multiply it by itself. With the help of latex, when the root symbol is used in a science document, you need to call the \sqrt command. I want to find the value of the square root $$(a+ b x^2 + c x)^{0.5}$$ by knowing that $x$ is very small ($x$ goes to zero). The square root calculator will find the square root of the number you enter.