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Definition of sequence in geometric progression

Main post link -> https://brilliant.org/assessment/s/algebra-and-number-theory/663850/

In this week's "Clever 4-term Sequences" (from level 3 of Algebra and Number Theory), is the sequence (1,4,2,8) valid or all terms have to be in the order of the progression like (1,2,4,8) or (8,4,2,1)?

Note by André Macedo
4 years, 6 months ago

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no only sequences which are arranged in order of geometric progression must be taken into account Suresh Muthuraman · 4 years, 6 months ago

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(8,4,2,1) and (1,2,4,8) are distinct geometric progressions. Parth Kohli · 4 years, 6 months ago

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