Question

In the A.P. 2, –2, –6, –10, ..... common difference (d) is ______.

Options

• –4

• 2 

• –2

• 4

Answer 1

In the A.P. 2, –2, –6, –10, ..... common difference (d) is – 4.

Explanation:

d = a₂  – a₁

= –2 – 2

= – 4