Question

is -150 a term of AP 17,12,7,2?

Answer 1

Answer:

NO

Step-by-step explanation:

AP 17,12,7,2

a=17

d=12-17= -5

d1=7-12= -5

an=a+(n-1)d

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

-133= -5n+5

-138= -5n

n= -138/-5

n=27.6

-150 is not a term of AP because 27.6 is not a natural number