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Engineering Maths · Q131

Linear Algebra

Engineering and GATE · Engineering Maths · question 131

Q131

The transformation matrix for mirroring a point in x-y plane about the line y = x is given by

A.
\left[ {\begin{array}{*{20}{c}} { - 1}&0 \\ 0&1 \end{array}} \right]
B.
\left[ {\begin{array}{*{20}{c}} 0&1 \\ 1&0 \end{array}} \right]
Answer
C.
\left[ {\begin{array}{*{20}{c}} 0&{ - 1} \\ { - 1}&0 \end{array}} \right]
D.
\left[ {\begin{array}{*{20}{c}} 1&0 \\ 0&{ - 1} \end{array}} \right]

Answer: Option B

Solution

Answer: Option B
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