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The square root
a square root
The decimal number 1.73205081 can be expressed as an irrational number, specifically the square root of 3. In fraction form, this would be written as √3. Since the square root of 3 cannot be simplified further into a rational fraction, it remains as √3 in its simplest form.
Treat it like a positive and add an i. Explanation: The square root of negative nine is equal to the square root of nine times negative one is equal to the square root of nine times the square root of negative one. The square root of negative one represented by an italic lower case i. The square root of negative nine is 3i. √-9 = √9 * -1 = √9 * √-1 = 3i
147 49,3 7,7,3 The square root of 147 equals the square root of 49 times the square root of 3 which is 7 times the square root of 3.