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Q : 2 Write first four terms of the AP, when the first term a and the common difference d are given as follows:

(iv) $\small a=-1,d=\frac{1}{2}$

Answers (1)

G Gautam harsolia

It is given that
$\small a=-1,d=\frac{1}{2}$
Now,
$a_1= a =-1$
$a_2= a_1 + d= -1 + \frac{1}{2} = -\frac{1}{2}$
$a_3= a_2 + d= -\frac{1}{2} + \frac{1}{2} = 0$
$a_4= a_3 + d= 0+\frac{1}{2}= \frac{1}{2}$
Therefore, the first four terms of the given series are $-1,-\frac{1}{2},0, \frac{1}{2}$

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