Find the least number which must be added to 8400
to obtain a perfect square.
find this perfect square and its square root
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Let's see:
91² = 8281 is less then 8400
92² = 8464 is greater then 8400
so, 92²-91²
⇒ 8464 - 8400
∴ 64 is the least number.
Hope This Helps :)
91² = 8281 is less then 8400
92² = 8464 is greater then 8400
so, 92²-91²
⇒ 8464 - 8400
∴ 64 is the least number.
Hope This Helps :)
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