Q6
If \[ R = [ array*20c 1&0& - 1 \\ 2&1& - 1 \\ 2&3&2 array ],\] then top row of R-1 is
If {\text{R}} = \left[ {\begin{array}{*{20}{c}}
1&0&{ - 1} \\
2&1&{ - 1} \\
2&3&2
\end{array}} \right], then top row of R-1 is
A.
[5 6 4]
B.
[5 -3 1]
AnswerC.
[2 0 -1]
D.
\left[ {\begin{array}{*{20}{c}}
2&{ - 1}&{\frac{1}{2}}
\end{array}} \right]
Answer: Option B
Solution
Answer: Option B
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