every positive number has...square roots.
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two square roots
Step-by-step explanation:
Every positive real number has two square roots, one positive and one negative. For this reason, we use the radical sign to denote the principal (nonnegative) square root and a negative sign in front of the radical - to denote the negative square root.
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Square roots of positive integers
Square roots of positive integersA positive number has two square roots, one positive, and one negative, which are opposite to each other. When talking of the square root of a positive integer, it is usually the positive square root that is meant.
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