Question - 2 (v)
Write first four terms of the A.P. when the first term a and the common differenced are given as follows
(v) $a = - 1.25, d = - 0.25$

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Solution

(v) $a = - 1.25, d = - 0.25 L e t t h e s e r i e s b e a_{1}, a_{2}, a_{3}, a_{4} \dots a_{1} = a = - 1.25 a_{2} = a_{1} + d = - 1.25 - 0.25 = - 1.50 a_{3} = a_{2} + d = - 1.50 - 0.25 = - 1.75 a_{4} = a_{3} + d = - 1.75 - 0.25 = - 2.00$
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.

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a = - 1.25, d = - 0.25

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a = - 1.25, d = - 0.25

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

(i) a = 10, d = 10

(ii) a = − 2, d = 0

(iii) a = 4, d = − 3

(iv) a = − 1 d =

(v) a = − 1.25, d = − 0.25

d = \frac{1}{2}

Question 2 (ii)
Write first four terms of the A.P. when the first term "a" and the common difference "d" are given as follows.
(ii) a = -2, d = 0

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