Question

Which of the following is a Quadratic equation in 'x'

2x^2 - 5 = x^3
(x^2 - 1)(x^2 + 1) = 10
√3x - 1 = 2x
x^2 + a^2 x +a^3 = 0 where 'a' is a constant

Answer 1

Answer:

I think the 1st one is the quadratic equation as it has x in the form of x² and x³ both.

Step-by-step explanation:

an equation which has the various powers of the variable is known as a quadratic equation.

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