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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 = - 1.25, d = - 0.25 - Mathematics

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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 = - 1.25, d = - 0.25

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Solution

a = - 1.25, d = - 0.25

Let the series be a1, a2, a3, a4

a1 = a = - 1.25

a2 = a1 + d = - 1.25 - 0.25 = - 1.50

a3 = a2 + d = - 1.50 - 0.25 = - 1.75

a4 = a3 + d = - 1.75 - 0.25 = - 2.00

Clearly, the series will be 1.25, - 1.50, - 1.75, - 2.00 ……..

First four terms of this A.P. will be - 1.25, - 1.50, - 1.75 and - 2.00.

Concept: Arithmetic Progression
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APPEARS IN

NCERT Class 10 Maths
Chapter 5 Arithmetic Progressions
Exercise 5.1 | Q 2.5 | Page 99
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