maths need help - XP Math - Forums

 XP Math - Forums maths need help

 12-06-2007 #1 degers Guest   Posts: n/a maths need help hi if any body out there is good at math square roots can you please help i cant work out the trick to it brayden
 12-06-2007 #2 MyriamK Guest   Posts: n/a Ways to find square roots: 1) Use a calculator 2) Factor the number 3) Use a complicated algorithm Option 2) Say you want to find the square root of 7056. You factor it and find 7056 = 2 X 2 X 2 X 2 X 3 X 3 X 7 X 7 You can re-write that as: 7056 = 2 X 2 X 3 X 7 X 2 X 2 X 3 X 7 7056 = (2 X 2 X 3 X 7) X (2 X 2 X 3 X 7) Since 2 X 2 X 3 X 7 = 84, 7056 = 84 X 84 The square root of 7056 is 84 Is that what you needed to know? Probably not.

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