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 2 years ago
Is this sequence arithmetic? 1, 3, 9, 27, 81... How will I know if a sequence is arithmetic or not?
 2 years ago
Is this sequence arithmetic? 1, 3, 9, 27, 81... How will I know if a sequence is arithmetic or not?

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ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.0Is \(\rm 2nd ~term  1st~ term\) equal to \(\rm 3rd~term  2nd~term\)? If yes, then it's arithmetic.

mominanisar
 2 years ago
Best ResponseYou've already chosen the best response.0it is not arithmetic sequence A sequence is arithmetic if the difference between its any two consecutive terms is same. in your question it could be arithmetic if 31=93=279=8127 but as they are not equal so it is not arithmetic

AravindG
 2 years ago
Best ResponseYou've already chosen the best response.0infact this is a "Geometric Progression " with common ratio 3
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