Asked by Tony
An arithmetic progression has terms a8 =23 and a20 =83 . What is the value of the term a12
Answers
Answered by
Steve
a20-a8 = 12d = 60
so, d=5
a12 = a8+4d = 23+20 = 43
so, d=5
a12 = a8+4d = 23+20 = 43
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