Search topics

Search
1 of 8 0-day streak

Find the inverse of a 2 × 2 matrix

DIFFICULTYintrostandardchallengeexam
Question 1 of 8

No calculator

Let \(D\) be the following matrix

\[D = \begin{bmatrix} 4 & 5 \\ 1 & 1 \end{bmatrix}\]
4 marks

Calculate the inverse of \(D\). Give every entry as a whole number

\(D^{-1}\)