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Byju's Answer
Standard VIII
Mathematics
Finding Square Root by Long Division Method
by what small...
Question
by what smallest number should
10584
be multiplied so that product may be a perfect square ? also find the square root of the new number.
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Solution
Prime factorisation of
10584
is
10584
=
2
3
×
3
2
×
7
2
Now for the above to be a perfect square we can see that we need to multiply
2
×
3
=
6
∴
the least number to be multiplied to
10584
to make it a perfect square is
6
∴
10584
×
6
=
2
3
×
3
3
×
7
2
×
2
×
3
=
2
4
×
3
4
×
7
2
The square root of this new number is
√
2
4
×
3
4
×
7
2
=
2
2
×
3
2
×
7
=
4
×
9
×
7
=
63
×
4
=
192
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