Question:
If \(A=\begin{bmatrix}3&4\\ 5&2\end{bmatrix}\) and \(2A+B\) is a null matrix, then B is equal to:
- A. \(\begin{bmatrix}6&8\\ 10&4\end{bmatrix}\)
- B. \(\begin{bmatrix}-6&-8\\ -10&-4\end{bmatrix}\)
- C. \(\begin{bmatrix}5&8\\ 10&3\end{bmatrix}\)
- D. \(\begin{bmatrix}-5&-8\\ -10&-3\end{bmatrix}\)