shona04 shona04
  • 19-06-2021
  • Mathematics
contestada

3
If x=
)
X Х
find the value of x-2
3
2.​

Respuesta :

alialhassawi369
alialhassawi369 alialhassawi369
  • 19-06-2021

Step-by-step explanation:

Answer

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Correct option is

B

±2

x=3+22   x1=3+221×3−223−22

=3−22

(x−21)2=x+x1−2

=3+22+3−22−2=4

So, x−x1=4=±2 Ans 

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