Question

(3) Out of the following equations which one is not a quadratic equation ?

(a) x² + 4x = 11 + x² (b) x² = 4x (c) 5x² = 90 (d) 2x – x² = x² +5​

Answer 1

Answer:

1st option is not a quadratic equation

Step-by-step explanation:

x^2 + 4x = 11 + x^2 is not a quadratic equation