Question

What is the sum of the reciprocal of 1/-13 and the reciprocal of -1/2

Answer 1

-15

Explanation:

1/-13

The reciprocal is

Because of the law of indices,

We'll have

= -13.

-1/2

The reciprocal is

1 ÷ -1/2

Because of the law of indices,

We'll have

= -2

Therefore, the sum would be -13 + (-2) which would be equals to -15.

Answer 2

-15

Explanation:

1/-13

The reciprocal is

`1/ 1/-13`

Because of the law of indices,

We'll have
`1 * -13`

= -13.

-1/2

The reciprocal is

1 ÷ -1/2

Because of the law of indices,

We'll have
`1 * -2`

= -2

Therefore, the sum would be -13 + (-2) which would be equals to -15.