Mathematics
Mathematics, 13.03.2020 22:57, monserratmendezca20

Prove that for any natural value of n the value of the expression:
(5n+1)2ā€“(2nā€“1)2 is divisible by 7

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Prove that for any natural value of n the value of the expression:
(5n+1)2ā€“(2nā€“1)2 is divisibl...

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