Question

Choose the correct alternative:
In the A.P. 2, -2, -6, -10, ...... common difference (d) is:​

Answer 1

Answer:

d is -4

Step-by-step explanation:

because the AP'S formula is D=A2-A1

so D=2+2=4

Answer 2

Answer:

common difference(d) = a2-a1

Step-by-step explanation:

here:a2= (-2) and a1= 2

-2-2

=-4