18 lines
758 B
Plaintext
18 lines
758 B
Plaintext
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\[
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x_j = \frac{{\det \left( {\begin{array}{*{20}c}
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{a_{11} } & {} & {} & {} & {} & {} & {} \\
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{} & {} & {} & {} & {} & {} & {} \\
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{} & {} & {} & {} & {} & {} & {} \\
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\end{array}} \right)}}{{}}
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\]
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