Saved Bookmarks
| 1. |
If X + Y \(=\begin{bmatrix}5 & 2 \\0 & 9 \\\end{bmatrix}\) and X - Y \(=\begin{bmatrix}3 & 6 \\0 & -1 \\\end{bmatrix},\) then =X + Y = [5, 2][0, 9] and X - Y = [3, 6][0, -1],(a) \(\begin{bmatrix}8 & 8 \\0 & 8 \\\end{bmatrix}\)(b) \(\begin{bmatrix}4 & 4 \\0 & 4 \\\end{bmatrix}\)(c) \(\begin{bmatrix}1 & 1 \\0 & 1 \\\end{bmatrix}\)(d) None of these |
|
Answer» Correct answer is (b) \(\begin{bmatrix} 4 & 4 \\ 0 & 4 \\ \end{bmatrix}\) [4, 4][0, 4] |
|