Class 12Mathematics3-4. Matrices and DeterminantsExpansion of determinants, Solution of equation in the form of determinants and area of triangle and Equation of Line
MediumThe equation whose roots are also the roots of the equation $\left|\begin{array}{ccc}1 & -3 & 1 \\ 1 & 6 & 4 \\ 1 & 3x & x^2\end{array}\right|=0$ is
- A$x^2+x+2=0$
- B$x^2+x-2=0$
- C$x^2+2x+2=0$
- D$x^2-x-2=0$
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