Find the vector ( mathbf{a} ) such that $\mathbf{a} \cdot \mathbf{b} = 10$ and $\mathbf{a} \cdot \mathbf{c} = 20$, where $\mathbf{b} = egin{pmatrix} 2 \ 3 \end{pmatrix}$ and $\mathbf{c} = egin{pmatrix} 4 \ 5 \end{pmatrix}$.

Question

Find the vector ( mathbf{a} ) such that $\mathbf{a} \cdot \mathbf{b} = 10$ and $\mathbf{a} \cdot \mathbf{c} = 20$, where $\mathbf{b} = egin{pmatrix} 2 \ 3 \end{pmatrix}$ and $\mathbf{c} = egin{pmatrix} 4 \ 5 \end{pmatrix}$.

Accepted Answer

$egin{pmatrix} 5 \ 2 \end{pmatrix}$

Post Utme Osustech 2020 Mathematics Question 40

Find the vector ( mathbf{a} ) such that \(\mathbf{a} \cdot \mathbf{b} = 10\) and \(\mathbf{a} \cdot \mathbf{c} = 20\), where \(\mathbf{b} = egin{pmatrix} 2 \ 3 \end{pmatrix}\) and \(\mathbf{c} = egin{pmatrix} 4 \ 5 \end{pmatrix}\).

Answer Options

About This Question

Master the Exam!

Post Utme Osustech 2020 Mathematics Question 40

Find the vector ( mathbf{a} ) such that \(\mathbf{a} \cdot \mathbf{b} = 10\) and \(\mathbf{a} \cdot \mathbf{c} = 20\), where \(\mathbf{b} = egin{pmatrix} 2 \ 3 \end{pmatrix}\) and \(\mathbf{c} = egin{pmatrix} 4 \ 5 \end{pmatrix}\).

Answer Options

About This Question

Master the Exam!

Find the vector ( mathbf{a} ) such that \(\mathbf{a} \cdot \mathbf{b} = 10\) and \(\mathbf{a} \cdot \mathbf{c} = 20\), where \(\mathbf{b} = egin{pmatrix} 2 \ 3 \end{pmatrix}\) and \(\mathbf{c} = egin{pmatrix} 4 \ 5 \end{pmatrix}\).