Mathematics, 18.11.2019 05:31 kcruz0609

Prove that for any natural value of n the value of the expression: c (3n+1)^2–(3n–1)^2 is divisible by 12

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Prove that for any natural value of n the value of the expression: c (3n+1)^2–(3n–1)^2 is divisible...

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