Math, asked by Lovergirl8959, 5 months ago

The 8th term of an a.p is 17 and the 19th term is 39. find c and d

Answers

Answered by kumarchhotu42

1

Answer:

8th term of ap=17

let be first term of ap=x

c+7d=17

c+18d=39

after solve this equation

d=2

c=3

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