Question

4-6n=? What is the common difference

Answer 1

Answer:

if n=1

4-6 (1)= -2

if n=2

4-6 (2)= -8

if n=3

4-6 (3)= -14

the ap is -2,-8,-14

common difference (d) = a2-a1

= -8-(-2)

= -6