MCQ
Two or more vectors having the same initial point are:
- ✓Coinitial vectors
- Bcolinear vectors
- Cequal vectors
- DCannot say
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where $\omega=\frac{-1+ i \sqrt{3}}{2},$ and $I _{3}$ be the identity matrix of order $3$. If the determinant of the matrix $\left( P ^{-1} AP - I _{3}\right)^{2}$ is $\alpha \omega^{2},$ then the value of $\alpha$ is equal to