Question

which term of the AP 6,9,12,15will be more than it 23rd term​

Answer 1

Answer:

8

Step-by-step explanation:

[2.3+(n−1)3]=108

6n+3n

2

−3n=216

3n

2

+3n−216=0

x

2

+n−72=0

(x+9)(x−8)=0

x=8