spencergosnell
spencergosnell spencergosnell
  • 01-05-2019
  • Mathematics
contestada

30 POINTS! x + 1 = 2 ÷ x + 1

In the equation above, which choice is a possible value of x + 1?

A) 1 - √2

B) √2

C) 2

D) 4

Respuesta :

carlosego
carlosego carlosego
  • 01-05-2019

For this case we have the following equation:

[tex]x + 1 = \frac {2} {x + 1}[/tex]

We must find the value of [tex]x + 1[/tex]:

Multiplying both sides of the equation by[tex]x + 1:[/tex]

[tex](x + 1) ^ 2 = 2[/tex]

Applying square root on both sides of the equation to eliminate the exponent:

[tex]x + 1 = \sqrt {2}[/tex]

Answer:

Option B

Answer Link
vtarasenkova8 vtarasenkova8
  • 27-05-2021

Answer: B

Step-by-step explanation:

Answer Link

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