Question

find the least number that must be subracted to 6666 so that it becomes ba perfect square also find the square root of the perfect square this obtained?
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Answer 1

Answer:

81

Step-by-step explanation:

least number is :- 105

when we subtracted 105 by 6666 we get,

6666 - 105 = 6561

Therefore,

$\sqrt{6561}$

is 81

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