எந்தவொரு இரட்டை முழு எண்ணின் வர்க்கமும் எப்போதும் எந்த எண்ணால் வகுபடும்?
A3
B5
C6
D4
Answer & Solution
Correct answer: D. 4
(2n)^2 = 4n^2 என்பதால், எந்தவொரு இரட்டை எண்ணின் வர்க்கமும் 4 ஆல் வகுபடும்.
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