Math, asked by lilclaim7, 6 months ago

. Find the sum of the following A.P: 7, 13, 19,… … …… 10 .

Answers

Answered by kajalattri6161

1

Answer:

The A.P. is 7,13,19,25,...

Here a=7,d=13−7=6,t

19

=?tn

=a+(n−1)dt 19

=7+(19−1)6 (∵n=19)

=7+18×6

=7+108t 19 =115

Thus 19 term of the A.P. is 115

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