Btec: Matrices

## Difficult

Q1) $\left( \begin{array}{cc} 7 & 3 \\ 10 & 2 \end{array} \right) + \left( \begin{array}{cc} 1 & 2 \\ 3 & 4 \end{array} \right)$
Q1) Find the determinant of $\left( \begin{array}{cc} 9 & 5 \\ 14 & 2 \end{array} \right)$
Q1) Find the inverse matrix of $\left( \begin{array}{cc} 6 & 3 \\ 9 & 5 \end{array} \right)$
Q2) $\left( \begin{array}{cc} 5 & 5 \\ 10 & 5 \end{array} \right) + \left( \begin{array}{cc} 1 & 1 \\ 2 & 5 \end{array} \right)$
Q2) Find the determinant of $\left( \begin{array}{cc} 9 & 1 \\ 10 & 1 \end{array} \right)$
Q2) Find the inverse matrix of $\left( \begin{array}{cc} 10 & 7 \\ 17 & 5 \end{array} \right)$
Q3) $\left( \begin{array}{cc} 8 & 4 \\ 12 & 4 \end{array} \right) + \left( \begin{array}{cc} 2 & 5 \\ 2 & 3 \end{array} \right)$
Q3) Find the determinant of $\left( \begin{array}{cc} 3 & 7 \\ 10 & 2 \end{array} \right)$
Q3) Find the inverse matrix of $\left( \begin{array}{cc} 1 & 10 \\ 11 & 5 \end{array} \right)$
Q4) $\left( \begin{array}{cc} 8 & 4 \\ 12 & 2 \end{array} \right) + \left( \begin{array}{cc} 4 & 2 \\ 4 & 4 \end{array} \right)$
Q4) Find the determinant of $\left( \begin{array}{cc} 6 & 6 \\ 12 & 4 \end{array} \right)$
Q4) Find the inverse matrix of $\left( \begin{array}{cc} 7 & 7 \\ 14 & 1 \end{array} \right)$
Q5) $\left( \begin{array}{cc} 6 & 3 \\ 9 & 4 \end{array} \right) + \left( \begin{array}{cc} 1 & 4 \\ 4 & 3 \end{array} \right)$
Q5) Find the determinant of $\left( \begin{array}{cc} 7 & 6 \\ 13 & 2 \end{array} \right)$
Q5) Find the inverse matrix of $\left( \begin{array}{cc} 2 & 7 \\ 9 & 3 \end{array} \right)$