One of the most important and exam oriented question from Chapter name- Arithmetic Progression
Class 10th
Chapter number- 9
Exercise :- 9.2
In this question we have been given the arithmetic series ( −1.1, −3.1, −5.1, −7.1, …) and we have to find the first term and common difference
CBSE DHANPAT RAI publication
Understanding CBSE Mathematics
Question 1 (iv)
First term = – 1.1
Common difference = a2-a1= – 3.1-(-1.1)=-2