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Helpppppppppppppppppppppppppp
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Helpppppppppppppppppppppppppp

Helpppppppppppppppppppppppppp-example-1
User Chettyharish
by
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1 Answer

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Answer:
\left[\begin{array}{ccc}-16&15\\-11&1\\15&-15&\end{array}\right]

Explanation:

-3A + 2B

=
\left[\begin{array}{ccc}-12&3\\-15&-9\\21&-15\end{array}\right]
+ \left[\begin{array}{ccc}-4&12\\4&10\\-6&0\end{array}\right]
=\left[\begin{array}{ccc}-16&15\\-11&1\\15&-15&\end{array}\right]

User Nander Speerstra
by
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