Question 23
If $\left| \begin{matrix} 2 & -4 \\ x & 9 \\\end{matrix} \right|=58$ , find the value of x
If $\left| \begin{matrix} 2 & -4 \\ x & 9 \\\end{matrix} \right|=58$ , find the value of x
Given the matrix $M=\left( \begin{matrix} -2 & 0 & 4 \\ 0 & 1 & -6 \\ 5 & 6 & 3 \\\end{matrix} \right),$ find ${{M}^{T}}+2M$
Given the matrix \[k=\left( \begin{matrix} 2 & 1 \\ 3 & 4 \\\end{matrix} \right)\]the matrix ${{k}^{2}}+k+1$ is , where I is the 2× 2 identity matrix
If $Q=\left( \begin{matrix} 3 & -2 & 1 \\ -2 & 1 & -1 \\ 1 & -3 & 2 \\\end{matrix} \right)$ then –3Q is
Find the determinant of $\left( \begin{matrix} 1 & 0 & 1 \\ 1 & 1 & 0 \\ 0 & 1 & 2 \\\end{matrix} \right)$
Find the value of $\left| \begin{matrix} 0 & 3 & 2 \\ 1 & 7 & 8 \\ 0 & 5 & 4 \\\end{matrix} \right|$
If $P=\left( \begin{matrix} 2 & 3 \\ 4 & 5 \\\end{matrix} \right)$ and $Q=\left( \begin{matrix} 4 & 2 \\ 3 & 3 \\\end{matrix} \right)$
Find the value of $\left| \begin{matrix} 0 & 3 & 2 \\ 1 & 7 & 8 \\ 0 & 5 & 2 \\\end{matrix} \right|$
If $\left| \begin{matrix} -x & 12 \\ -1 & 4 \\\end{matrix} \right|=-12$, find x
Find y, if\[left( \begin{matrix} 5 & -6 \\ 2 & 7 \\\end{matrix} \right)\left( \begin{align} & x \\ & y \\\end{align} \right)=\left( \begin{align} & 7 \\ & -11 \\\end{align} \right)\]