If $a,b,c$ are distinct real numbers and $a^3 + b^3 + c^3 = 3abc$ , then the equation $ax^2 + bx + c = 0$ has two roots, out of which one root is
$\frac {b}{a}$
$\frac {c}{a}$
$\frac {-b}{a}$
$0$
Number of natural solutions of the equation $x_1 + x_2 = 100$ , such that $x_1$ and $x_2$ are not multiple of $5$
If $x$ be real, then the maximum value of $5 + 4x - 4{x^2}$ will be equal to
The number of solution$(s)$ of the equation $2^x = x^2$ is
For what value of $\lambda$ the sum of the squares of the roots of ${x^2} + (2 + \lambda )\,x - \frac{1}{2}(1 + \lambda ) = 0$ is minimum
The complete solution of the inequation ${x^2} - 4x < 12\,{\rm{ is}}$