The roots of the equation ${x^4} - 2{x^3} + x = 380$ are
$5, - 4,\frac{{1 \pm 5\sqrt { - 3} }}{2}$
$ - 5,4, - \frac{{1 \pm 5\sqrt - 3}}{2}$
$5,4,\frac{{ - 1 \pm 5\sqrt - 3}}{2}$
$ - 5, - 4,\frac{{1 \pm 5\sqrt - 3}}{2}$
If $\alpha ,\beta$ are the roots of $x^2 -ax + b = 0$ and if $\alpha^n + \beta^n = V_n$, then -
Consider the cubic equation $x^3+c x^2+b x+c=0$ where $a, b, c$ are real numbers. Which of the following statements is correct?
Consider the quadratic equation $n x^2+7 \sqrt{n x+n}=0$ where $n$ is a positive integer. Which of the following statements are necessarily correct?
$I$. For any $n$, the roots are distinct.
$II$. There are infinitely many values of $n$ for which both roots are real.
$III$. The product of the roots is necessarily an integer.
The solutions of the quadratic equation ${(3|x| - 3)^2} = |x| + 7$ which belongs to the domain of definition of the function $y = \sqrt {x(x - 3)} $ are given by
If $x$ is real, then the maximum and minimum values of expression $\frac{{{x^2} + 14x + 9}}{{{x^2} + 2x + 3}}$ will be