Question

find the sum of first 15 terms of an ap ​

Answer 1

Answer:

What do you mean by ap?.......…..

Answer 2

Answer:

HEY BUDDY HERES UR ANSWER AND DONT FORGET TO MARK MY ANSWER AS THE BRAINLEST :---

First term, a=1,15  

th

 term a  

15

​  

=3−30=−27

Sum of 15 terms =  

2

n

​  

(a+l(lastterm))=  

2

15

​  

(1−27)=15(−13)=−195