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Explain why, when a system of linear equations in variables is written as , the…
MATHEMATICS · Subjective · CBSE · Mathematics · Matrices · Matrices
Problem
Explain why, when a system of
n
n
n
linear equations in
n
n
n
variables is written as
A
X
=
B
AX = B
A
X
=
B
, the matrix
A
A
A
must necessarily be a square matrix.
Related theory
Determinants
Matrices
Systems of linear equations
Matrix definition and notation
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