### Math and Algebra 1

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Write the value of the determinant

3-1

2 1

3-1

2 1

\left.\begin{array}{l}{\text{(1.Linearequationsintwovariables)}}\\{\text{Q1}1\text{Chooseandwritethecorrectalternative.}}\\{\text{(1)Writethevalueofthedeterninant}\left|\begin{array}{ll}{3}&{-1}\\{2}&{1}\\{2}&{1}\end{array}\right|}\\{\left.\begin{array}{lll}{\text{(2)Forasicle}}&{\text{(C)}3}&{\text{(D)}5}\\{\text{(2)Forasimulthng(C)}3}&{\text{(D)}5}\end{array}\right.}\end{array}\right.

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