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Engineering Physics · Q5

Mathematical Physics

Engineering and GATE · Engineering Physics · question 5

Q5

A Iinear transformation T, defined as \[T [ array*20c x_1 \\ x_2 \\ x_3 array ] = [ array*20c x_1 + x_2 \\ x_2 - x_3 array ],\] transforms a vector \[ x \] for a three-dimensional real space to a two-dimensional real space. The transformation matrix T is

A Iinear transformation T, defined as T\left[ {\begin{array}{*{20}{c}} {{x_1}} \\ {{x_2}} \\ {{x_3}} \end{array}} \right] = \left[ {\begin{array}{*{20}{c}} {{x_1} + {x_2}} \\ {{x_2} - {x_3}} \end{array}} \right],     transforms a vector for a three-dimensional real space to a two-dimensional real space. The transformation matrix T is
A.
\left[ {\begin{array}{*{20}{c}} 1&1&0 \\ 0&1&{ - 1} \end{array}} \right]
Answer
B.
\left[ {\begin{array}{*{20}{c}} 1&0&0 \\ 0&1&0 \end{array}} \right]
C.
\left[ {\begin{array}{*{20}{c}} 1&1&1 \\ { - 1}&1&1 \end{array}} \right]
D.
\left[ {\begin{array}{*{20}{c}} 1&0&0 \\ 0&0&1 \end{array}} \right]

Answer: Option A

Solution

Answer: Option A
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