The least positive integer k for which the value k - n 2 n 2-12 n 2-22 - n 2- n -12 turns into a factorial of some positive integer isA- 2B- 1C- 4D- 8

The correct option is A 2 k × n^2(n 1)(n + 1)(n 2)(n + 2)....(n + n 1)(n n + 1) = r! k × n.1.2.3.4....(n 1)n(n + 1).....(2n 1) = r! k × n(2n 1)! ...

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The least pos...

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The least positive integer k for which the value $k \times n^{2} (n^{2} - 1^{2}) (n^{2} - 2^{2}) . . . . (n^{2} - (n - 1)^{2})$ turns into a factorial of some positive integer is

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