least no. that must be added to 1500 ,so as to get perfect square
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39^2=1521 is close to the 1500 so 1521-1500 =21 is the least number that must be added to 1500,so as to get perfect square .Hope it helps you...
ritatomar1974:
what is ^ this
for example 2^3 means 2power 3 =8.
okkkkkkkkk
39 power 2 that is 39×39=1521 .
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