Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Algebra

Question:

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:

Options:

x = 4, y = 3

x = -4, y = -3

x = 4, y = 9

x = -4, y = 3

Correct Answer:

x = 4, y = 3

Explanation:

The correct answer is Option (1) → x = 4, y = 3