Find the additive inverse of
A
=
[
5
13
−
7
−
18
]
\displaystyle {A}={\left[\begin{array}{cc} {5}&{13}\\-{7}&-{18}\end{array}\right]}
A
=
[
5
−
7
13
−
18
]
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Enter each element of the matrix as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)