Square source Calculator
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You are watching: What is the negative square root of 400? Sqrt(400). Find the square root of 400 or any kind of other real number, hopeful or negative. Right here are the answer to questions like: Square root of 400 or what is the square root of 400? What is square root? definition of square rootA square root of a number "x" is a number y such the y2 = x, in other words, a number y whose square is y. Because that example, 20 is the square root of 400 because 202 = 20•20 = 400, 20 is square source of 400 because (20)2 = (20)•(20) = 400. As soon as writing math, human being often use sqrt(x) to mean the square source of x. Read much more about square root here: Square root  Wikipedia and here: Square root  Wolfram Square Symbol?Here is the square root symbol. It is is denoted through √, known as the radical sign or radix. numbersquaresquareroot
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