Question

Which of the following is not a quadratic equation?

विकल्प

• 2X² – X + 3 = 0

• 4X² – 3X = 0

• X³ – 5X + 3 = 0

• 4X² = 0

Answer 1

X³ – 5X + 3 = 0

Explanation:

Here, X is the only variable and maximum index of the variable is 3.

∴ X³ – 5X + 3 = 0 is not a quadratic equation.