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Question by  Rimi (27)

# What is the formula for determining the square root?

 +1 vote! +6 you voted Answer by  hashbrown64 (221) The square root of a x is the number that, if multiplied by itself, will produce x. The easiest way to determine a square root is simply to use a calculator to do the computation for you. For numbers below 200, however, some square roots are commonly known. For example, the square root of 25 is 5.

 +1 vote! +5 you voted Answer by  chrischris (25) You have to use a calculator to get an exact square root. You can approximate a square root by removing perfect square factors from a number and square rooting them.

 +1 vote! +5 you voted Answer by  Diddum (348) There is not a closed formula (using only +, -, /, and x) for the square root. There is a an iterative formula that can approximate the root.

 +1 vote! +5 you voted Answer by  ProfStochastic (70) There is per se no formula for finding the square root of a number, however there are a number of techniques to approximate the square root (Bisecting intervals, Babylonian method, and rough estimation). I would suggest the use of a calculator or slide rule to calculate the square root.

 +1 vote! +5 you voted Answer by  squirrel1434 (63) The square root is a function, not a formula. Other than using a calculator, there is no easy way to find the square root of a number -all manual methods involve multiplying two numbers together until you get a result which is close to the number which you are taking the square root of.

 +1 vote! +4 you voted Answer by  Lauren99 (47) (1+x)^p= 1 + px + p(p-1)(x^2)/2 + p(p-1)(p-2)(x^3)/(3! ) + p(p-1)(p-2)(p-3)(x^4)/(4! ) + p(p-1)(p-2)(p-3)(p-4)(x^5)/(5! ) +...... (p)(p-1)... (P-n+1)(x^n)/(n! ) to take the square root of a number, set x = the number-1 and P= 1/2