Question

Which term of the ap -7,-12,-17,-22.... Will be -82?

Answer 1

Answer:

Step-by-step explanation:

a:-7

d:-12-(-7)

So,

d:5

Now,a=a+(n-1)d

-82=-7+(n-1)5

-75=(n-1)5

-75/5=(n-1)

-15+1=n

-14=n

Hence,

n=-14