Question

find the first term a and the common difference d are given find first four terms of AP a=-1, d=-1/2​

Answer 1

Answer:

-1, -3/2, -2, -5/2

Step-by-step explanation:

a=t1=-1 and d=-1/2

so, a=t1=-1

t2=a+d=-1-1/2=-3/2

t3=a+2d=-1+2(-1/2)=-2

t4=a+3d=-1+3(-1/2)=-5/2