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predict invertible or singular

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Before you compute anything: is A = \begin{pmatrix} 3 & -3 & 0 \\ -2 & -3 & 0 \\ 7 & 3 & 0 \end{pmatrix} invertible?

Type 1 if it's invertible, 0 if it's singular.

Close enough! points.

Not quite.

You predicted — the actual value was .

+ XP