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Find the Inverse, If It Exists, for the Matrix A=[2−3026−6046−120600−20]A=\left[\begin{array}{rrrr}2 & -3 & 0 & 2 \\6 & -6 & 0 & 4 \\6 & -12 & 0 & 6 \\0 & 0 & -2 & 0\end{array}\right]

Question 52

Multiple Choice

Find the inverse, if it exists, for the matrix.
- A=[2−3026−6046−120600−20]A=\left[\begin{array}{rrrr}2 & -3 & 0 & 2 \\6 & -6 & 0 & 4 \\6 & -12 & 0 & 6 \\0 & 0 & -2 & 0\end{array}\right]


A)
[12−1301216−1601416−11201600−120]B) [−11031200−120−130−1200−120]\left[\begin{array}{cccc}\frac{1}{2} & -\frac{1}{3} & 0 & \frac{1}{2} \\\frac{1}{6} & -\frac{1}{6} & 0 & \frac{1}{4} \\\frac{1}{6} & -\frac{1}{12} & 0 & \frac{1}{6} \\0 & 0 & -\frac{1}{2} & 0\end{array}\right]B) \left[\begin{array}{cccc}-1 & 1 & 0 & 3 \\\frac{1}{2} & 0 & 0 & -\frac{1}{2} \\0 & -\frac{1}{3} & 0 & -\frac{1}{2} \\0 & 0 & -\frac{1}{2} & 0\end{array}\right]
C) [−1120010−130000−123−12−120]\left[\begin{array}{cccc}-1 & \frac{1}{2} & 0 & 0 \\1 & 0 & -\frac{1}{3} & 0 \\0 & 0 & 0 & -\frac{1}{2} \\3-\frac{1}{2} & -\frac{1}{2} & 0\end{array}\right]
D) No inverse

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