For the following APs, write the first term and the common difference: 3, 1, – 1, – 3, . . . - Mathematics

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Sum

For the following APs, write the first term and the common difference:

 3, 1, – 1, – 3, . . .

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Solution

3, 1, -1, -3, …

Here first term (a) = 3

and the common difference (d)

= -3 - (-1)

= -2

= d = -2

  Is there an error in this question or solution?
Chapter 9: Arithmetic and Geometric Progressions - Exercise 9.1

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ML Aggarwal Understanding ICSE Mathematics Class 10 Solved
Chapter 9 Arithmetic and Geometric Progressions
Exercise 9.1 | Q 1.1
NCERT Mathematics Class 10
Chapter 5 Arithmetic Progressions
Exercise 5.1 | Q 3.1 | Page 99

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