Write first four terms of the AP, when the first term a and the common difference d are given as follows:

a = 1, d = 1/2.


Given that first term (a) = -1

Common difference (d) =


The first four terms of the A.P is given by


a, a+d, a+2d, a+3d


-1, -1+, -1+2×, -1+3×


-1, , 0,


2
1