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

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#### Solution

a = 4, d = - 3

Let the series be a_{1}, a_{2}, a_{3}, a_{4} …

a_{1} = a = 4

a_{2} = a_{1} + d = 4 - 3 = 1

a_{3} = a_{2} + d = 1 - 3 = - 2

a_{4} = a_{3} + 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.

Concept: Arithmetic Progression

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