sreesankarjayasankar sreesankarjayasankar
  • 25-03-2019
  • Mathematics
contestada

{x^{2} +1/x^{2} }=66 find x-1/x

Respuesta :

kashifsaleem931 kashifsaleem931
  • 25-03-2019

Answer:

Step-by-step explanation:

The solution is attached herewith.

Ver imagen kashifsaleem931
Answer Link
jimrgrant1 jimrgrant1
  • 25-03-2019

Answer:

x = ± 8

Step-by-step explanation:

Note that

(x - [tex]\frac{1}{x}[/tex])² = x² - 2 + [tex]\frac{1}{x^2}[/tex] = 66 - 2 = 64

Take the square root of both sides

x - [tex]\frac{1}{x}[/tex] = ± [tex]\sqrt{64}[/tex] = ± 8

Answer Link

Otras preguntas

What is 12/16 in it's lowest term
a woman has $1.70 in dimes and nickels.She has 5 more dimes than nickles. How many nickles does she have
Though most volcanoes are mountains, most mountains are not volcanoes, why or why not?
Saturn has a radius of 60,330,000 meters and a mass of 5.7 × 10^26 kilograms. Calculate the strength of its gravitational field.
What ingredients are needed to make GHB?
Which of the following are not a spore-bearing vascular plant? a. ferns b. cycads c. club mosses d. horsetails
I have been stuck on this question and i would like to know how to solve it ? A mother horse and a baby horse walk 10 miles from point A to point B. The mother’
Though most volcanoes are mountains, most mountains are not volcanoes, why or why not?
why did people hate the roman empire
Saturn has a radius of 60,330,000 meters and a mass of 5.7 × 10^26 kilograms. Calculate the strength of its gravitational field.