What times itself equals 12?
回答 (2)
2016-07-13 3:18 am
Let n be the number.
n × n = 12
n² = 12
n = √12 or n = -√12
n = 2√3 or n = -2√3
The number is 2√3 or -2√3.
n × n = 12
n² = 12
n = √12 or n = -√12
n = 2√3 or n = -2√3
The number is 2√3 or -2√3.
2016-07-13 3:17 am
x * x = 12
x^2 = 12
x = 12^(1/2)
x = (2^2 * 3)^(1/2)
x = 2^(2/2) * 3^(1/2)
x = 2 * 1.732
x = 3.464 (roughly)
x^2 = 12
x = 12^(1/2)
x = (2^2 * 3)^(1/2)
x = 2^(2/2) * 3^(1/2)
x = 2 * 1.732
x = 3.464 (roughly)
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