Question

3) Write an A.P. whose first term (a) and common
difference (d) is given a = 6 and d = -3​

Answer 1

Answer:

a=6

a1=0

a2=-3

a3=-6

a4=-9

Explanation:

a=(n-1)d

a1=(1-1)-3

=(0)-3

a2=(2-1)-3

a2=(1)-3

=-3

a3=(3-1)-3

a3=(2)-3

=-6

Answer 2

Answer:

6,3,0,-3,-6,...

Explanation:

Given: a=6

d=-3

To find: A.P.

Solution: a, a+d,a+2d,a+3d,a+4d,..

6, 6+(-3), 6+2(-3), 6+3(-3), 6+4(-3),..

6, 6-3, 6-6, 6-9, 6-12,..

6,3,0,-3,-6,..