twmistake twmistake

18-05-2023
Mathematics

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PLEALSLE ANSWER FOR 70 POINTS
prove: the square of a number that is two more than a multiple of 3 is one more than a multiple of 3

PLEALSLE ANSWER FOR 70 POINTS prove the square of a number that is two more than a multiple of 3 is one more than a multiple of 3 class=

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mhanifa mhanifa

18-05-2023

Prove in below steps:

(3n + 2)² =
9n² + 12n + 4 =
9n² + 12n + 3 + 1 =
3(3n² + 4n + 1) + 1 =
1 more than a multiple of 3

Proved

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