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deepaksoni
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Guru
Asked: 2021-05-01T15:53:07+05:30 In:

For the following arithmetic progressions write the first term a and the common difference d(iv) −1.1, −3.1, −5.1, −7.1, …

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One of the most important and exam oriented question from Chapter name- Arithmetic Progression
Class 10th
Chapter number- 9
Exercise :- 9.2
In this question we have been given the arithmetic series  ( −1.1, −3.1, −5.1, −7.1, …) and we have to find the first term and common difference

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

arithmetic progressionsclass 10thrd sharma
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    1 Answer

    1. Guru

      First term =  – 1.1

      Common difference = a2-a1= – 3.1-(-1.1)=-2

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