Question

Find the least number which must be added to 8400 to obtain a perfect square find this Perfect square and its square root ​

Answer 1

Answer:

91^2 = 8281 is less then 8400

92^2 = 8464 is greater then 8400

so, 92^2-91^2

=8464 - 8400

= 64 is the least number.

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