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Question
For each n Є N, n (n + 1) (2n + 1) is divisible by:
For each n Є N, n (n + 1) (2n + 1) is divisible by:
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Solution
The correct option is C 6
P(1) = (1) (1+1)(2(1)+1)
= (1) (2)(3)
= 6
So, n (n + 1) (2n + 1) is divisible by 6
6
P(1) = (1) (1+1)(2(1)+1)
= (1) (2)(3)
= 6
So, n (n + 1) (2n + 1) is divisible by 6
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