simple

Number Theory Level 2

find the least number which must be added to 543291 to make it a perfect square


The answer is 1353.

Joshua Raju by Joshua Raju , 21, India

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2 solutions

Mohammad ALshah
Sep 5, 2014

(543291)^1/2 = 737.082

so we need the first integer after 737 and is 738

(738)^2 = 544644

544644 - 543291=1353 and that is the answer.

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but if i add -122 it gives 737 square................... why cant dat be right............. coz he hasnt asked to add real no.......... we can add integers

Arñåb Ûnförgêtãblê - 6 years, 3 months ago
建 载
Sep 4, 2014

I just add the number slowly in the calculator until the decimals starts to dissapear

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