Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Algebra

Question:

If $P=\begin{bmatrix} -2 & 2 & 0\\3 & 1 & 4\end{bmatrix}$ and $Q=\begin{bmatrix} 2 & 0 & 2\\7 & 1 & 6\end{bmatrix}$. If $5Q-3P+2R=0$ then the matrix R is _________.

Options:

$\begin{bmatrix} -6 & 6 & 0\\9 & 3 & 12\end{bmatrix}$

$\begin{bmatrix} -10 & 0 & 10\\35 & 5 & 30\end{bmatrix}$

$\begin{bmatrix} -8 & 3 & 5\\-13 & -1 & -9\end{bmatrix}$

$\begin{bmatrix} 7 & 1 & 6\\2 & 0 & -2\end{bmatrix}$

Correct Answer:

$\begin{bmatrix} -8 & 3 & 5\\-13 & -1 & -9\end{bmatrix}$