#How to solve?

5 messages · Page 1 of 1 (latest)

tardy pineBOT
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vernal condor
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Remember the factors of 6 and their properties

forest pivot
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sum of 6^l can be simplified as a GP. you should therefore get something that looks like sum x_k + 5(integer). then the conclusion is obvious

forest pivot
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i dont think factors of 6 help