Mark the tick against the correct answer in the following:
Question:

Mark the tick against the correct answer in the following:

$\left|\begin{array}{ccc}x+y & x & x \\ 5 x+4 y & 4 x & 2 x \\ 10 x+8 y & 8 x & 3 x\end{array}\right|=?$

A. 0

B. $x^{3}$

C. $\mathrm{y}^{3}$

D. none of these

Solution:

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