Question

find general form
in the AP
16, 116.​

Answer 1

Answer:

n=15

Step-by-step explanation:

a=16

d=11-16=-5

let

an=54

a+(n-1)d=an

16+(n-1)×-5=-54

(n-1)×-5=-54-16

(n-1)×-5=-70

(n-1)=14

n=14+1

n=15