Question

-150 a term of AP 11,8,5,2

Answer 1

a = 11

d = a2 - a1 = a3 - a2

= -3 = -3

a + (n-1)d = -150

11 - 3n + 3 = -150

-3n = -150 - 14

-3n = -164

3n = 164

n = 164/3 = approx. 54.67

•°• -150 is not a term of this A.P