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Prove that n cube - n is divisible by 6

Posted by Akshansh Kakkar 7 years ago

CBSE > Class 10 > Mathematics

1 answers

Yaar 7 years ago

Let n = 1 So 1^3 -1 = 0, which is divisible by 6. Let n = 2 So 2^3 - 2 = 6, which is divisible by 6. Let n = 3 So 3^3 - 3 = 24, which is divisible by 6. Hence proved

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CBSE > Class 10 > Mathematics