1.

What is the minimum positive integer that must be added or subtracted with 7806 to make it a perfect square?1). 562). 623). 1084). 115

Answer»

√7806 ≈ 88.35

So, NEAREST whole NUMBER are either 88 or 89.

In order to get the perfect square of 89, we need to add 892 – 7806 = 115

But in order to get the perfect square of 88, we need to subtract 7806 – 882 = 62.

∴ The MINIMUM POSITIVE integers that must be added or subtracted from 7806 to make it a perfect square is 62.


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