How do you prove this?

Use induction to prove that 3 divides n^3 + 3n^2 + 2n for every nonnegative integer n.

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- February 16th 2008, 07:51 AMst4rl1ightneed help with induction prove..
How do you prove this?

Use induction to prove that 3 divides n^3 + 3n^2 + 2n for every nonnegative integer n. - February 16th 2008, 09:13 AMSoroban
Hello, st4rl1ight!

Quote:

Use induction to prove that 3 divides for every

Verify . . . true!

Assume for some integer

Add to both sides:

. .

. .

We have proved . . . The inductive proof is compete.