find the least number which must be added to 6557 to get a perfect square.
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Answer:
167
Step -by- step explanation:
By hit and trial,
6557 lies between 81^2 and 82^2
=81^2 < 6557 < 82^2
=6561 < 6557 < 6724
The least number to be added = 6724 - 6557
= 167
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