Question

Which of the following are quadratic equation in x? 

`2x^2 + 5/2 x - sqrt(3) = 0`

Answer 1

Clearly, `(2x^2 + 5/2 x - sqrt(3))` is a quadratic polynomial. 

∴ `2x^2 + 5/2 x - sqrt(3) = 0` is a quadratic equation.