Write first four terms of the AP, when the first term $a$ and the common difference $d$ are given as follows:
$a = -1.25, d = -0.25$
Given:
$a = -1.25, d = -0.25$
To do:
We have to write the first four terms of the given arithmetic progression.
Solution:
First term $a_1=a=-1.25$
Second term $a_2=a_1+d=-1.25+(-0.25)=-1.25-0.25=-1.50$
Third term $a_3=a_2+d=-1.50+(-0.25)=-1.50-0.25=-1.75$
Fourth term $a_4=a_3+d=-1.75+(-0.25)=-1.75-0.25=-2$
Therefore, the first four terms of the given AP are $-1.25, -1.50, -1.75, -2$.
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