find the least number which must be subtracted from 2509 to make it perfect squre
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so we know that 50^2=2500
2509-2500=9
least number=9
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First find the square of 2509 by long division method
after long division method it'll leave a 9 as a remainder
⇒50²<2509
∴the number to be subtracted is 2509-2500=9
∴ 9 should be subtracted from 2509 to get a perfect square
after long division method it'll leave a 9 as a remainder
⇒50²<2509
∴the number to be subtracted is 2509-2500=9
∴ 9 should be subtracted from 2509 to get a perfect square
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