Prove that for any natural n the value of the expression (n+7)^2-n^2 is divisible by 7
( )·7
...
Mathematics, 17.11.2020 18:30 juanitarodrigue
Prove that for any natural n the value of the expression (n+7)^2-n^2 is divisible by 7
( )·7
∧
Put the answer as parentheses
Answers: 1
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