Matrices

Bihar Board Class 12 · Mathematics · 84 past questions

2 of 84 · show all

1. Q75 2018

   If $A=\begin{bmatrix}\cos\alpha&-\sin\alpha\\\sin\alpha&\cos\alpha\end{bmatrix}$ and $A+A'=I_2$ then $\alpha=$

   Try it →
2. Q76 2018

   If A be a square matrix. Then $A + A'$ will be ..........

   Try it →