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What is the common ratio of the geometric sequence 1, 4, 16, 64, ...? How many terms are there in the expression -2x + 8 - 6y + 8x + 11?
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What is the common ratio of the geometric sequence 1, 4, 16, 64, ...?

How many terms are there in the expression -2x + 8 - 6y + 8x + 11?

User Kalai Selvan Ravi
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Hello,
If the commun ratio is u(2)/u(1)=u(3)/u(2)=... then 4
A term is a member of a addition : here there are 5 terms which are
-2x,+8,-6y,8x and 11
User Yong Ho
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