Q. 3 C

Find the first term and common difference for each of the A.P.

127, 135, 143, 151, . . .

Answer :

127, 135, 143, 151, . . .


First term a1 = 127


Second term a2 = 135


Third term a3 = 143


We know that d = an + 1 – an


Thus, d = a2 – a1 = 135 – 127 = 8


Hence, the common difference d = 8 and first term is 127


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