Asked by Olamide

What Is The Sum Of The First 12 Term Of An A.P Whose First Time Is 15 And The Common Difference
Answered by Reiny
incomplete

sum(12) = 6(30 + 11d)
= .....

Once you have established what the common difference d is in your question, you can finish the question.
Answered by Kosiso
The answer
Answered by Johnny Gbondo
What is the sum of 6 term of an AP whose first term is 15 and common difference is 13
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