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Evaluate the Determinant $\left| \begin{array} { c c } 7 x & x \ln x \\ 7 & 2 + \ln x \end{array} \right|$

Question 28

Multiple Choice

Evaluate the determinant $\left| \begin{array} { c c } 7 x & x \ln x \\ 7 & 2 + \ln x \end{array} \right|$ in which the entries are functions.

A) $49 \ln x$
B) $14 x$
C) $2 x$
D) $7 - \ln x$
E) $2 \ln x$

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