Perform the indicated operations.
-Find 2A $A = \left[ \begin{array} { c c c } - 2 & 0 & 3 \ - 1 & \sqrt { 3 } & \frac { 3 } { 2 } \end{array} \right]$

A) $\left[ \begin{array} { r r r } - 4 & 0 & 6 \ - 2 & 2 \sqrt { 3 } & 3 \end{array} \right]$

B) $\left[ - \frac { 1 } { 2 } \quad \frac { \sqrt { 3 } } { 2 } \quad \frac { 3 } { 4 } \right]$

C) $\left[ \begin{array} { r r r } 0 & 2 & 5 \ 1 & 2 + \sqrt { 3 } & \frac { 7 } { 2 } \end{array} \right]$

D) $\left[ \begin{array} { r r r } - 4 & 2 & 6 \ - 2 & 2 \sqrt { 3 } & 3 \end{array} \right]$

Question

Perform the indicated operations.
-Find 2A $A = \left[ \begin{array} { c c c } - 2 & 0 & 3 \ - 1 & \sqrt { 3 } & \frac { 3 } { 2 } \end{array} \right]$

A) $\left[ \begin{array} { r r r } - 4 & 0 & 6 \ - 2 & 2 \sqrt { 3 } & 3 \end{array} \right]$

B) $\left[ - \frac { 1 } { 2 } \quad \frac { \sqrt { 3 } } { 2 } \quad \frac { 3 } { 4 } \right]$

C) $\left[ \begin{array} { r r r } 0 & 2 & 5 \ 1 & 2 + \sqrt { 3 } & \frac { 7 } { 2 } \end{array} \right]$

D) $\left[ \begin{array} { r r r } - 4 & 2 & 6 \ - 2 & 2 \sqrt { 3 } & 3 \end{array} \right]$

Quizplus · Accepted Answer

To find $2A$, each element of matrix $A$ is multiplied by 2, resulting in $\left[ \begin{array} { r r r } - 4 & 0 & 6 \ - 2 & 2 \sqrt { 3 } & 3 \end{array} \right]$.

Perform the Indicated Operations A=[−203−1332]A = \left[ \begin{array} { c c c } - 2 & 0 & 3 \\ - 1 & \sqrt { 3 } & \frac { 3 } { 2 } \end{array} \right]A=[−2−1​03​​323​​]

Perform the Indicated Operations $A = \left[ \begin{array} { c c c } - 2 & 0 & 3 \\ - 1 & \sqrt { 3 } & \frac { 3 } { 2 } \end{array} \right]$