Hey, I need to proove by Induction that k^3+3k^2+2k devided by 6 without residue. thanks omri
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Originally Posted by omrimalek Hey, I need to proove by Induction that k^3+3k^2+2k devided by 6 without residue. thanks omri Have you done everything up to the induction step?
Originally Posted by omrimalek Hey, I need to proove by Induction that k^3+3k^2+2k devided by 6 without residue. thanks omri you can actually check that and for any natural number k, one of them is even, and one is divisible by 3. thus, it must be divisible by 6. by induction: for k=1: 1 + 3 + 2 = 6 suppose true for n < k+1 for n=k+1: which is similar to the equation above..
and got 3k^2+9kand i dont know how to proove that it divided by 6
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