Question

10th and 18th term of ap are 41 and 73 find 26 term

Answer 1

la+(10-1)×d=41........i
a+(18-1)×d=73.......ii


a+9d=41
a+17d=73
sloving eq i nd ii we get
d=4....
putting in eq i
a+9×4=41
a=41-36
a=5

1st term = 5
.
. .= 26 term = a+(26-1)×d
5+100
26 term = 105....
answer...