shortymeparis
shortymeparis shortymeparis
  • 18-05-2021
  • Mathematics
contestada

evaluate x^1-x^-1+x^0 for x=2​

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ivycoveredwalls
ivycoveredwalls ivycoveredwalls
  • 18-05-2021

Answer:

5/2

Step-by-step explanation:

[tex]x^1=x\text{ and }x^{-1}=\frac{1}{x} \text{ and }x^0 = 1[/tex]

These make the expression [tex]x^1-x^{-1}+x^0=x-\frac{1}{x}+1[/tex] .

Plug in x = 2 to get  [tex]2-\frac{1}{2}+1=\frac{5}{2}[/tex]

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sanjibdas5930
sanjibdas5930 sanjibdas5930
  • 03-09-2021

Answer:

given equation = x¹-x⁻¹+x⁰

lets subtitute the value of x in this equation = 2-1/2+1

= 3-1/2 =5/2 =2.5 (ans)

Hope it helps

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