Question

$\sqrt{4}$
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Answer 1

The square root of 4 is denoted by √4, where symbol '√' is the symbol of the square root. ... The value of root 4 is equal to exactly 2. But the roots could be positive or negative or we can say there are always two roots for any given number. Hence, root 4 is equal to ±2 or +2 and -2 (positive 2 and negative 2).

Answer 2

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