NCERT Solutions for Class 10 Maths Chapter 5
Important NCERT Questions
Arithmetic Progression
NCERT Books for Session 2022-2023
CBSE Board and UP Board Others state Board
EXERCISE 5.1
Page No:99
Questions No:3
For the following APs, write the first term and the common difference: 3, 1, – 1, – 3, . . .
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First term a = 3
Common difference d = a₂-a₁ = 1 – 3 = -2