The sequences below are elther arithmetic sequences or geometric sequences. For each sequence, determine whether it is arl th formula for the n™ term a, of that sequence. Sequence Type th n term formula 8 08 O Arithmetic (a) 5, -15, 45, ... an ロ・ロ O Geometric O Arithmetic ? (b) -5, -8, -11,... %= 0 O Geometric ☐+0 ローロ X S
The sequences below are elther arithmetic sequences or geometric sequences. For each sequence, determine whether it is arl th formula for the n™ term a, of that sequence. Sequence Type th n term formula 8 08 O Arithmetic (a) 5, -15, 45, ... an ロ・ロ O Geometric O Arithmetic ? (b) -5, -8, -11,... %= 0 O Geometric ☐+0 ローロ X S
Chapter12: Sequences, Series And Binomial Theorem
Section: Chapter Questions
Problem 327PT: Find the twenty-third term of an arithmetic sequence whose seventh term is 11 and common difference...
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Transcribed Image Text:The sequences below are either arithmetic sequences or geometric sequences. For each sequence, determine whether it is arithmetic or geometric, and write the
th
formula for the n term a of that sequence.
Sequence
Type
n term formula
O Arithmetic
(a) 5, -15, 45, ...
ロ・ロ
an=
O Geometric
O Arithmetic
?
(b) -5, -8, -11, ...
9₁ = 0
O Geometric
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