Find the Determinant of the Matrix $\left[ \begin{array} { r r } \frac { 1 } { 2 } & 1 \\\\- \frac { 1 } { 2 } & \frac { 3 } { 2 }\end{array} \right]$

question 112

Multiple Choice

Find the determinant of the matrix $\left[ \begin{array} { r r } \frac { 1 } { 2 } & 1 \\\\- \frac { 1 } { 2 } & \frac { 3 } { 2 }\end{array} \right]$ , if it exists

• A) \(\frac { 3 } { 4 }\)
• B) \(5\)
• C) \(- \frac { 5 } { 4 }\)
• D) \(\frac { 1 } { 4 }\)
• E) \(\frac { 5 } { 4 }\)

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