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Brums [2.3K]
3 years ago
10

HELP ME PLEASE I NEED YOU

Mathematics
1 answer:
Leokris [45]3 years ago
4 0

Answer:

D

Step-by-step explanation:

to find this with your calculator

\left[\begin{array}{ccc}5&-5&2\\1&5&-6\\1&4&-5\end{array}\right] ^{-1} \left[\begin{array}{ccc}21\\24\\21\end{array}\right]

it will give you [5 -1 -4]

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