The sum of a number and its positive square root is 72.find the number.
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let d sqrt be x
then no. would be x^2
atq;
x^2+x =72
if we solve this quadratic eqn we will get x=-9,8 as we want positive so we would choose 8 so the no. would be 8*8=64
then no. would be x^2
atq;
x^2+x =72
if we solve this quadratic eqn we will get x=-9,8 as we want positive so we would choose 8 so the no. would be 8*8=64
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