Question

which term of the AP is 2,-1,-4,-7...is -40?

Answer 1

Answer:

15

Step-by-step explanation:

a+(n-1)d=-40

2+(n-1)(-3)=-40

n-1=-42/-3=14

n=15

Answer 2

Answer:15th term

Step-by-step explanation:

an=a+ (n-1)d                          equation 1

here d=2-(1)=3

substituting the values we get in equation 1 :

-40=2+(n-1)3

after solving we get 15

so 15th term

hope this is helpful