Determine if the sequence is arithmetic. If it is, find the common difference. 1) −30, −40, −50, −60, ... 2) −7, −9, −11, −13, ... 3) 9, 14, 19, 24, ...
Determine if the sequence is arithmetic. If it is, find the common difference. 1) −30, −40, −50, −60, ... 2) −7, −9, −11, −13, ... 3) 9, 14, 19, 24, ...
Chapter12: Sequences, Series And Binomial Theorem
Section12.2: Arithmetic Sequences
Problem 12.25TI: Determine if each sequence is arithmetic. If so, indicate the common difference. (a)...
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Question
Determine if the sequence is arithmetic. If it is, find the common difference.
1) −30, −40, −50, −60, ...
2) −7, −9, −11, −13, ...
3) 9, 14, 19, 24, ...
Expert Solution
Step 1
(a)
Consider the given sequence as,
Step 2
For arithmetic series common difference should be same
Find common difference
It is an arithmetic series.
Hence, the common difference is
(b)
Consider the given sequence as,
Find common difference
Step by step
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