Question

11,8,5,2,.... in this A.P. which term is number -151?

Answer 1

Answer:

a²–a1= 8–11=3

a=11

d=3

n=?

an=–151

an=a+(n–1) d

–151=3+(n–1) 3

–151–3=(n–1) 3

n=–148+3

n= 145

This is the answer