Q1681: Let $A=\begin{bmatrix}0&-3&4\\1&0&2\end{bmatrix}$ and $B=\be... | Class CBSE Class 12

Class CBSE Class 12 Mathematics Matrices and Determinants Q #1681

KNOWLEDGE BASED 1 Marks 2026 AISSCE(Board Exam) MCQ SINGLE

Let $A=\begin{bmatrix}0&-3&4\\1&0&2\end{bmatrix}$ and $B=\begin{bmatrix}-3&0&1\\2&4&0\end{bmatrix}$. If $A + B + C = O$, then matrix C is:

(A) $\begin{bmatrix}-3&-3&5\\3&4&2\end{bmatrix}$

(B) $\begin{bmatrix}3&3&-5\\-3&-4&-2\end{bmatrix}$

(C) $\begin{bmatrix}3&3&5\\-3&-4&-2\end{bmatrix}$

(D) $\begin{bmatrix}-3&-3&-5\\3&4&2\end{bmatrix}$

Prev Next

More from this Chapter

If $A=\begin{bmatrix}1&a&b\\-1&2&c\\0&5&3\end{bmatrix}$ is a symmetric matrix, then the value of $3a+b+c$ is

Given that $P=\begin{bmatrix}2&-1\\3&4\end{bmatrix}$, $Q=\begin{bmatrix}5&2\\7&4\end{bmatrix}$ and $R=\begin{bmatrix}2&5\\3&8\end{bmatrix}$, find a matrix S such that PQ - RS is a null matrix.

Which of the following cannot be the order of a row-matrix ?

If $A=\begin{bmatrix}2&3\\ -1&2\end{bmatrix}$, then show that $A^{2}-4A+7I=0$.

Let \[ A = \begin{pmatrix} 1 & -2 & -1 \\ 0 & 4 & -1 \\ -3 & 2 & 1 \end{pmatrix}, \quad B = \begin{pmatrix} -2 \\ -5 \\ -7 \end{pmatrix}, \quad C = \begin{pmatrix} 9 & 8 & 7 \end{pmatrix}, \] which of the following is defined?

View All Questions