If matrix A is given as, $A=\left[\begin{array}{cc}2 x & 5 \\ 7 & 3 y\end{array}\right]$ and the transpose of the matrix is, $A^{T}=\left[\begin{array}{ll}8 & 7 \\ 5 & 9\end{array}\right]$. Then the values of x and y are: |
x = 4, y = 3 x = -4, y = -3 x = 4, y = 9 x = -4, y = 3 |
x = 4, y = 3 |
The correct answer is Option (1) → x = 4, y = 3 $A = \begin{bmatrix}2x & 5 \\ 7 & 3y \end{bmatrix}$ $A^T = \begin{bmatrix}2x & 7 \\ 5 & 3y \end{bmatrix}$ $A^T = \begin{bmatrix}8 & 7 \\ 5 & 9 \end{bmatrix}$ $2x = 8 \Rightarrow x = 4$ $3y = 9 \Rightarrow y = 3$ $x = 4,\ y = 3$ |