Question

Can anyone please help me?

Answer 1

`(25)/(10x-1)`

Explanation:

The multiplicative inverse of "a" is "
`(1)/(a)` "

a ×
`(1)/(a)` = 1

~~~~~~~~~~~

`(1)/(5)` ( 2x -
`(1)/(5)` ) =
`(2)/(5)` x -
`(1)/(25)`

1 ÷ (
`(2)/(5)` x -
`(1)/(25)` ) = 1 ÷ (
`(10x)/(25)` -
`(1)/(25)` ) = 1 ÷ (
`(10x - 1)/(25)` ) =
`(25)/(10x-1)`

The multiplicative inverse of the product is
`(25)/(10x-1)`

Answer 2

You multiply 5 by 1/5 to get 1. So with 2x, you multiply by 1/(2x) to get 1. That's about all you know, since we only know that x is positive.

Explanation:

Hope it helps