Determine whether the given sequence is arithmetic. If so, then find the common difference. 80, 40, 20, 10, 5,...

CheemnCatelvew 2020-11-12 Answered
Determine whether the given sequence is arithmetic. If so, then find the common difference. 80,40,20,10,5,...
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Expert Answer

odgovoreh
Answered 2020-11-13 Author has 107 answers
Step 1 Given: The sequence, 80,40,20,10,5,... Step 2 To check it is arithmetic sequence, calculate the common difference d=a2a1
=4080
=40
d=a3a2
=2040
=20 Since, the common difference d is not same. The given sequence is not arithmetic.
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