show that an^2 +bn +c is not an A.P
Answers
Answered by
1
firstly an^2/bn =an/b (i.e. a2/a1)and c/bn = c/bn (i.e. a3/a2)as common difference d is not constant i.e. a2/a1 is not equal to a3/a2there it is not an ap
Similar questions