find the number of terms and the expression for the nth of the following APs. a. 1,8,15,...,78. b. 1/2,3/4,1,...,5 1/2. c. 5,8,11,...,38. d.32,29,26,...,-118. e.1,1 1/4,1 1/2, ..., 3 1/2.?
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Asked by daa on 11th January, 2020
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