√144
- Input
- √144
- Expected output
- 12
12 × 12 = 144.
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square root
The square root of x is the number that, squared, gives back x.
12 × 12 = 144.
4³ = 64.
A negative exponent denotes the reciprocal of the positive power: a⁻ⁿ = 1 ÷ aⁿ. For example, 2⁻³ = 1 ÷ 2³ = 1 ÷ 8 = 0.125.
There is no real square root of a negative number; the result is a complex number.
Use the calculator's root mode: enter the radicand and the index (2 for square, 3 for cube).
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