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Recent questions tagged matrixinverse
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GATE2019 CE2: 35
The inverse of the matrix $\begin{bmatrix} 2 & 3 & 4 \\ 4 & 3 & 1 \\ 1 & 2 & 4 \end{bmatrix}$ is $\begin{bmatrix} 10 & 4 & 9 \\ 15 & 4 & 14 \\ 5 & 1 & 6 \end{bmatrix}$ ...
asked
Feb 12
in
Linear Algebra
by
Arjun
(
2.8k
points)
gate2019ce2
matrixinverse
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2
GATE2017 CE1: 1
The matrix $P$ is the inverse of a matrix $Q$. If $I$ denotes the identity matrix, which one of the following options is correct? $PQ=I$ but $QP \neq I$ $QP=I$ but $PQ \neq I$ $PQ=I$ and $QP= I$ $PQQP= I$
asked
Mar 26, 2018
in
Linear Algebra
by
Milicevic3306
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11.8k
points)
gate2017ce1
matrixinverse
0
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GATE2018 CE1: 2
For the given orthogonal matrix Q, $Q = \begin{bmatrix} 3/7 & 2/7 & 6/7 \\ 6/7 & 3/7 & 2/7 \\ 2/7 & 6/7 & 3/7 \end{bmatrix}$ ... $\begin{bmatrix} 3/7 & 6/7 & 2/7 \\ 2/7 & 3/7 & 6/7 \\ 6/7 & 2/7 & 3/7 \end{bmatrix}$
asked
Feb 17, 2018
in
Linear Algebra
by
gatecse
(
3.9k
points)
gate2018ce1
matrixinverse
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