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  • Find the square roots of the following numbers by the Prime Factorisation Method. (i) 729

Q.4 Find the square roots of the following numbers by the Prime Factorisation Method.

(i) 729

 

Answers (1)

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By prime factorisation, we know that 

                729 = 3\times3\times3\times3\times3\times3

or             729 = (3\times3\times3)^{2} = 27^{2}

Thus the square root of 729 is 27. 

Posted by

Devendra Khairwa

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