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a) If matrix B is similar to matrix A. Show that both matrices have the same determinant, that is ...
a) If matrix B is similar to matrix A. Show that both matrices have the same determinant, that is \( \operatorname{det}(B)=\operatorname{det}(A) \). (Hint: Use the definition \( \mathrm{B}=\mathrm{P}^{-1} \mathrm{AP} \) ) (5 marks)