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Find the determinant of the matrix
(10−19110−6−19110013−8013000970000−5).\left(\begin{array}{cc}1&0&-1&9&11\\0&-6&-1&9&11\\0&0&\frac{1}{3}&-80&\frac{1}{3}\\0&0&0&9&7\\0&0&0&0&-5 \end{array}\right).⎝⎜⎜⎜⎜⎛100000−6000−1−1310099−80901111317−5⎠⎟⎟⎟⎟⎞.
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