5 = sqrt( 25 ) = sqrt( 100 / 4 ) = 10 / 2 = ( 2 / 10 ) ^ -1 = .2^-1 = sqrt( ( .2^-1 ) ^ 2 ) = sqrt( .2^-2 )
if there is any problem understanding the solution, one may comment or type in calculator if he/she doesn’t believe 😛
Jan 26 2014
সমস্যা – ২ solution
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