Which term of the ap -7,-12,-17,-22.... Will be -82?
Answers
Answered by
8
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
Similar questions