Question

If second term of ap is 8 and 5 term of ap is 17 then find 19 term

Answer 1

let
a+1d=8
a+4d=17
then d=3
a=8-3=5
19th term = a+18d=5+18*3=59
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Answer 2

ATQ
a+d =8....(1)
a+4d =17....(2)
subtract (1) n (2)
we get -3d= -9
d=3
putting it's value in (1) then a+3=8
a=5
so 19 term =a+18d
5+18*3
59 Answer
Hope it helps u