Without actual squareing find the value of 65*2
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if 65*2=130 its square will be 16900
and
if it is 65^2= then its square will consists of 4 digits out of which first two are obtained by multiplying the first digit by the next digit and the last two digits is always be 25=6*7(25)=4225
and
if it is 65^2= then its square will consists of 4 digits out of which first two are obtained by multiplying the first digit by the next digit and the last two digits is always be 25=6*7(25)=4225
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