One of the most important and exam oriented question from Chapter name- Arithmetic Progression
Chapter number- 9
Exercise :- 9.6
This type of question has been asked in previous years exams.
In this question we have been given an arithmetic progression whose nth term is given by yn = 9 – 5n . And we have to find out sum of this progression of first 15 terms.
CBSE DHANPAT RAI publication
CBSE Mathematics Class 10th