izzy072 izzy072
  • 04-02-2021
  • Mathematics
contestada

What is the result when we simplify the expression ( 1 + 1 /x ) ( 1 − 2/x + 1 ) ( 1 + 2/ x − 1 ) ?

Respuesta :

ChoiSungHyun
ChoiSungHyun ChoiSungHyun
  • 04-02-2021

Step-by-step explanation:

Let y be 1/x. Then 2y = 2/x.

We wish to simplify (1 + y)(2 - 2y)(2y).

(1 + y)(2 - 2y)(2y)

= 4y(1 + y)(1 - y)

= 4y(1 - y²)

= 4y - y³

= 4/x - 1/x³.

P.S. Writing it as (4x² - 1)/x³ is fine.

Answer Link

Otras preguntas

Write a subtraction fact related to 9+6=
what word matches this to splash a liquid about
Which word used to describe satisfying or entertaining our physical senses: contentment, delight, happiness, joy, pleasure?
The _____________ is the contract that seals the deal when you buy a car. A. loan application B. warranty C. loan agreement D. sales agreement
Why can light NOT escape a black whole?
Which country uses tax brackets as part of its tax system? Canada Australia South Africa All of the above
Find the solution |-42|
Interphase must occur once before meiosis can happen. (Same thing for mitosis). What would happen if interphase didn’t occur first?
Why did journalists call the Alaska purchase of 1867 Seward's Folly
is 14 m greater than or less than 140 cm