Question

The common difference of the A.P. $$\frac{1}{k}, \frac{1 - k}{k}, \frac{1 - 2k}{k}, .......$$ is ______.

Options

• $$-k$$

• $$k$$

• $$1$$

• $$-1$$

Answer 1

The common difference of the A.P. $$\frac{1}{k}, \frac{1 - k}{k}, \frac{1 - 2k}{k}, .......$$ is –1.

Explanation:

The second term is $$\frac{1}{k} - 1$$, so the common difference is $$-1$$.