Question

Find the reciprocal.

72a

72a

−72a

−2a7

2a7

Answer 1

`Reciprocal = (1)/(72a)`

Explanation:

Given

Expression: 72a

Required:

Determine the reciprocal

Represent the expression with n

`n = 72a`

The reciprocal is the calculated as thus:

`Reciprocal = (1)/(n)`

Substitute for n

`Reciprocal = (1)/(72a)`