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Jamb Mathematics Past QuestionsQuestion 2441:If A =\(\begin{pmatrix} 2& 1\\ 2& 3 \\ 1 & 2\end{pmatrix}\) and B =\(\begin{pmatrix} 3& 2\\ 4& 2\end{pmatrix}\). Find AB A. \(\begin{pmatrix} 18& 6\\ 12& 10 \\ 10 & 6\end{pmatrix}\) B. \(\begin{pmatrix} 10& 6\\ 13& 10 \\ 12 & 6\end{pmatrix}\) C. \(\begin{pmatrix} 10& 6\\ 12& 10 \\ 11 & 6\end{pmatrix}\) D. \(\begin{pmatrix} 10& 6\\ 18& 10 \\ 11 & 6\end{pmatrix}\) Question 2442:Given that r =\( \sqrt\frac{3v}{\pih} \), make v the subject of the formula A. V = 3\(πr^2\) h B. V = \(\frac{πrh}{3}\) C. V = \(\frac{πr^2h}{3}\) D. V = 3πrh Question 2443:Find the determinant of the matrix A =\(\begin{pmatrix} 2& 3\\ 1& 3\end{pmatrix}\) A. 4 B. 2 C. 5 D. 3 Question 2445:The locus of pointsequidistant from a fixed point. A. Circle B. Perpendicular lines C. Straight line D. Bisector |
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