Problem 1: For the following arithmetic progressions write the first term a and the common difference d: (i) -5, -1, 3, 7, …………

Question

deepaksoniGuru

Asked: May 27, 20212021-05-27T10:03:51+05:30 2021-05-27T10:03:51+05:30In: CBSE

One of the most important and exam oriented question from Chapter name- Arithmetic Progression
Class 10th
Chapter number- 9
Exercise :- 9.3

In this question we have been given the arithmetic progression and we have to find the first term a and common difference d for that.

CBSE DHANPAT RAI publication
Understanding CBSE Mathematics
Question 1 (i )

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AAREKH · Answer 1 · 2021-06-12T14:33:36+05:30

AAREKH Guru

Solution:

Given sequence is -5, -1, 3, 7, …………

∴ First term is -5

And, common difference = a₂– a₁= -1 – (-5) = 4

∴ Common difference is 4