for each of the following, find the least number that must be subtracted so that the resulting number is a perfect square of 9509
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Answer:(i) 796
Taking square root of 796, we find that 12 has been left
∴ Least number to be subtracted = 12
(ii) 1886
Taking square root of 1886, we find that 37 has been left
∴ Least number to be subtracted = 37
(iii) 23497
Taking square root of 23497, we find that 88 has been left
∴ Least number to be subtracted = 88
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