The first term of an A.P. is 6 and the common difference is 5. Find th – InterviewSolution

1.

The first term of an A.P. is 6 and the common difference is 5. Find the A.P. and its general term.

Answer»

Given, a = 6, d = 5

General term t_n = a + (n – 1) d

= 6 + (n – 1) 5

= 6 + 5 n – 5

= 5 n + 1

The general form of the A.P. is a, a + d, a + 2d,

The A.P. is 6, 11, 16, 21, … 5n + 1.

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