Ask a New Question
Search
if the sum of the 6th and 7th term of an Arithmetic progression(AP) is 60 and the 3rd term is -5 find the common difference?
1 answer
6th is ... -5 + 3d
7th is ... -5 + 4d
-10 + 7d = 60
Ask a New Question
or
answer this question
.