Mathematics, 13.03.2020 22:50 yaneiryx5476

Prove that for any natural value of n the value of the expression:
(5n+1)^2 – (2n–1)^2 is divisible by 7

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Prove that for any natural value of n the value of the expression:
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Prove that for any natural value of n the value of the expression: (5n+1)^2 – (2n–1)^2 is divisible by 7

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Another question on Mathematics

Prove that for any natural value of n the value of the expression:
(5n+1)^2 – (2n–1)^2 is divisible by 7