If the 5th and 12 th term of an ap are -4&-18 respectively find the sum of first 20 terms of the ap
Answers
Answered by
0
hope this helps. ...
Attachments:
Answered by
0
Answer:
Let's have a look on the solution
Answer is 260
Find value of A and D by making two equations
Solve by formula
Attachments:
Similar questions