Question

the nth term of an AP is - 49.its first term and the common difference are 36 and - 5 respectively. find the sum of n term of the ap​

Answer 1

Here is your answer! ✌ ♥

an=-49

a = 36

d = -5

Now,

an = a +(n-1)d

-49=36+(n-1)-5

-49-36 = -5n +5

-85 = -5n+5

-90 =-5n

n = 18

Therefore nth term is 18.

Hope it helps you! ❤❤☺

----------------------------------------------