Q10. Find the least number which must be added to 1280 so as to get a perfect square. Also,
find square root of the perfect square so obtained.
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the perfect square near to 1280 is 1296.
let the number least number to be added to 1280 be x .
x + 1280 = 1296
x = 1296 - 1280
x = 16.
square root of 1296 = 36.
the least number which must be added to 1280 to get perfect square is 16.
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