Question

The quadratic equation in the following.
A) 3x + y - 8 = 0
B) x + 2x + 3x
C ) x² + 1/x = 0
D) x + 1/x = 0​

Answer 1

Answer:

$\sf \: D) \: x + \frac{1}{x} = 0$

$\sf \: x + \frac{1}{x} = 0 \\ \sf \: \frac{ {x}^{2} + 1}{x} = 0 \\ \sf \: {x}^{2} + 1 = x \\ {x}^{2} - x + 1 = 0$

$\bf \: Which \: is \: a \: quadratic \: equation \:.$