Question

x^2-3x_√x+4
is this a quadratic equation?

Answer 1

$no \: its \: not \: a \: polynomial \\ \\ we \: know \: that \\ a \: quadratic \: equation \\ \: is \: in \: the \: form \: of \: \\ \\ ax {}^{2} + bx + c = 0 \\ \\ but \: the \: coefficient \: of \: b \\ \: in \: the \: equation \: is \: x \sqrt{x} \\ \\ that \: is \: x {}^{1} . {x}^{ \frac{1}{2} } = {x}^{ \frac{3}{2} } which does not belongs to the quadratic equation\\ \\ hope \: this \: helps \: you$