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What is the sqrt(0)?

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gsch's Answer:

Reply by gsch 862 days ago

According to Wolfram research(http://mathworld.wolfram.com/SquareRoot.html

A square root, also called a radical or surd, of x is a number r such that r^2 = x . The function sqrt(x) is therefore the inverse function of f(x) = x^2 for x >= 0.

This implies that the sqrt(0) = 0, as 0 * 0 = 0 (or 0^2 = 0)

You could also check: http://www.google.com/search?hl=en&lr=&q=sqrt(0)