Question

Which of the following is not a quadratic equation?
x² + 3x – 5 = 0
x² + 3/x + 2 = 0
3 + x + x² = 0
x² – 9 = 0
Ans Fast​

Answer 1

Answer :-

x² - 9 = 0

Is not a quadratic equation.

Answer 2

Answer:

c) x^2 + x^3 + 2 = 0

3

5.0

Step-by-step explanation:

A quadratic equation is a polynomial equation with a highest degree 2 contained in it.

Thus,

It is clear that x^2 + x^3 + 2 = 0. is not a degree 3 in it.

quadratic equation as it has a highest