Answers

2014-07-17T18:23:28+05:30
Let me give u examples::
first squareroot--- squareroot of 16-
using long division method find all it's factors.
it'll be something like= 16=2*2*2*2
now put two common numbers in brackets and make them one
16=(2*2)*(2*2)
so squareroot of 16= 2*2
                           =4

the same goes with cube root where 3 common factors are taken as one
eg:- cube root of 27
factors of 27=3*3*3
              =(3*3*3)
              =3
that's it
hope u understood
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2014-07-17T18:31:05+05:30

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To find square roots of number you first need to prime factorize it and then pick up numbers which are in the pair of 2 numbers.
To find cube roots of number you first need to prime factorize it and then pick up numbers which are in the pair of 3 numbers.
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