find the t15 for the following A.P 3,8,13,18
Answers
Answered by
1
3,8,13,18_ _ _ _ t15
a=3, d = t2-t1 =8-3 = 5, n= 15
tn=a+(n-1)d
t15=3+(15-1)5
t15=3+14×5
t15=3+70
t15=73
Similar questions