Question

Write first three terms of AP with a = -1 and d = 1/2​

Answer 1

first three terms are

-1, -1/2 & 0

Explanation:

here,

a=-1

and d=1/2

so

t1 = -1

t2 = a+(n-1)d= -1 +(2-1)*(1/2)=-1/2

t3= a+(n-1)d= -1 +(3-1)*(1/2) =0