Math, asked by brainly223, 10 months ago

10. Show that a1, a2,......,añ....form an AP where a is defined as below:
(1) a=3 +4n
(ii) a = 9-5n
Also find the sum of the first 15 terms in each case.

solve this
....

Answers

Answered by chaitragouda8296

30

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