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deepaksoni
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Asked: 2021-05-27T10:15:02+05:30 In:

Problem 2: Write the arithmetic progression when first term a and common difference d are as follows:(iii) a = -1.5, d = -0.5

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This is the basic and conceptual question from Chapter name- Arithmetic Progression
Chapter number- 9
Exercise 9.3

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

CBSE DHANPAT RAI publications
Class:- 10th
Understanding CBSE Mathematics
Question 2(iii)

class 10thrd sharma
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    1. Guru

      Solution:

      Given:

      a1 = -1.5, d = -0.5

      Therefore, arithmetic progression is: a, a + d, a + 2d, a + 3d, ……

      ⇒ -1.5, -1.5, -0.5, –1.5 + 2(– 0.5), –1.5 + 3(– 0.5)

      ⇒ – 1.5, – 2, – 2.5, – 3, …….

      ∴ A.P will be – 1.5, – 2, – 2.5, – 3, …….

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