Question

find whether - 150 is a term of AP 17 12 72

Answer 1

-150 = 17 +(n-1) - 5

-150 =17 - 5n +5

-167 = -5n +5

-172 = - 5n

Hence the answer is in decimal

Therefore - 150 is not ghe term of AP 17 12 72

Answer 2

the given equation is not an AP