Further Lab

Daily transfer drill

Short set aimed at styles that break when the question changes shape.

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Q1Show that4 marks
Let B=(4172)B=\begin{pmatrix} 4 & 1 \\ 7 & 2 \end{pmatrix}. Show that B−1=(2−1−74)B^{-1}=\begin{pmatrix} 2 & -1 \\ -7 & 4 \end{pmatrix}.

Coach · attempt

Write something first. A wrong start still earns method marks later.