Question 17

If \(B = \begin{pmatrix}  2 & 5  \\  1 & 3  \end{pmatrix}\), find \(B^{-1}\).

  • A.\(A = \begin{pmatrix} -3 & -5 \\ 1 & 2 \end{pmatrix}\)
  • B.\(A = \begin{pmatrix} 3 & -5 \\ 1 & 2 \end{pmatrix}\)
  • C.\(A = \begin{pmatrix} 3 & -5 \\ -1 & 2 \end{pmatrix}\)
  • D.\(A = \begin{pmatrix} -3 & 5 \\ 1 & -2 \end{pmatrix}\)
Objective

Question details

Exam body
WAEC
Subject
Further Mathematics
Year
2017
Question no.
#17
Type
Objective

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