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Write first four terms of the A.P. when the first term a and the common differenced are given as follows: a = 4, d = -3 - Mathematics

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Question

Write first four terms of the A.P. when the first term a and the common differenced are given as follows:

a = 4, d = -3

Sum
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Solution

a = 4, d = -3

Let the series be a1, a2, a3, a4

a1 = a = 4

a2 = a1 + d = 4 - 3 = 1

a3 = a2 + d = 1 - 3 = -2

a4 = a3 + d = -2 - 3 = -5

Therefore, the series will be 4, 1, -2 -5…

First four terms of this A.P. will be 4, 1, -2 and -5.

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Chapter 9: Arithmetic and Geometric Progressions - Exercise 9.1

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ML Aggarwal Understanding Mathematics [English] Class 10 ICSE
Chapter 9 Arithmetic and Geometric Progressions
Exercise 9.1 | Q 2.3
NCERT Mathematics [English] Class 10
Chapter 5 Arithmetic Progressions
Exercise 5.1 | Q 2.3 | Page 99
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