Question

Find the common difference (d) in the following APs respectively. (i) 20, 40, 60, 80, 100,..(ii) 5, 0, -5, -10, -15, …(iii) 2, 2, 2, 2, 2.. *
1 point
(a) 20, 5, 0
(b) -20, -5, 0
(c) -20, 5, 0
(d)20, -5, 0​

Answer 1

Answer:

d) 20,-5,0

Step-by-step explanation:

i) d= 40-20=20

ii) d=0-5= -5

iii) d=2-2=0

Answer 2

Answer:

(c) -20,5,0

Step-by-step explanation:

(I) a=20

d=20-40= -20

(ii) a=5

d=5-0=5

(iii)a=2

d=2-2=0