Which of the follwing are quadratic equations
i)
[tex]x - \frac{3}{x} = {x}^{2} [/tex]
ii)
[tex]{(x + 2)}^{2} = {x}^{3} - 4[/tex]
iii)
[tex] {(x + \frac{1}{x}) }^{2} = 3(x + \frac{1}{x} ) + 4[/tex]
i)
[tex]x - \frac{3}{x} = {x}^{2} [/tex]
ii)
[tex]{(x + 2)}^{2} = {x}^{3} - 4[/tex]
iii)
[tex] {(x + \frac{1}{x}) }^{2} = 3(x + \frac{1}{x} ) + 4[/tex]
Answers & Comments
Answer:
none of them is a quadratic equation