3 years ago

Prove: The square of a number that is two more than a multiple of 3 is one more than a multiple of 3.

Mathematics

1 answer:

xeze [42]3 years ago

8 0

Answer:

<u>To prove:</u>

(3x + 2)² is 3y + 1

<u>Expand the square:</u>

9x² + 6x + 4 = (9x² + 6x + 3) + 1 = 3(3x² + 2x + 1) + 1 = 3y + 1

Proven

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