1. Pick the next number up that has a perfect square root, and take the square root of that. e.g if you want the square root of 17, pick 25, and take the square root to get 5. 2. Take the number from part 1) and subtract the square of that number minus the original number you wanted the square root of, divided by two times the number from part 1). e.g. if the number you originally wanted the square root of is A, and the thing you found in part 1) is F, evaluate this formula: F - (F2-A)/(2F). 3. Repeat over and over again, but use the number you found in part 2) instead of the one you found in part 1). 4. Repeat again and again until tired.
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Find the square root of each of its components, and muliply them together. For example, 36x8 the square root of 36 is 6 the square root of x8 is x4 so the square root of 36x8 is 6x4
Look for the largest square number in its factors. The square root of 512 is equal to the square root of 2 times the square root of 256. The square root of 256 is 16. The square root of 512 simplifies to 16 times the square root of 2.
Use a calculator. Most will allow you to find 70(1/4) Or find the square root of the square root of 70.
The same way you find the square root of any number. The fastest way would be to type 225, followed by the square root key, in a calculator.
No. Look at the prime factors of 65: there are no repeated prime factors, therefore this number contains no perfect square.