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16-10-2018
Mathematics

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Remove all perfect squares from inside the inside the square root 63

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16-10-2018

Answer:

3 sqrt 7

Step-by-step explanation:

First, let's find the factors of 63. 1x63, 3x21, 7x9. We can see that the only factors that is a square is 9.

sqrt 63=

sqrt 7 x9=

sqrt7 x sqrt 9=

sqrt7 x3

3 sqrt7

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