NCERT Exercise 4.1 - Q1(vii) - Quadratic Equations
Question: Check whether the following is a quadratic equation: (x + 2)^3 = 2x(x^2 - 1).
Answer: No, (x + 2)^3 = 2x(x^2 - 1) is not a quadratic equation.
Full step-by-step NCERT solution with diagrams on Something by Zero.