If \( \left|\begin{array}{ccc}x^{n} & x^{n+2} & x^{n+4} \\ y^{n} & y^{n+2} & y^{n+4} \\ z^{n} & ....
If \( \left|\begin{array}{ccc}x^{n} & x^{n+2} & x^{n+4} \\ y^{n} & y^{n+2} & y^{n+4} \\ z^{n} & z^{n+2} & z^{n+4}\end{array}\right|= \)
\( \mathrm{P} \)
W
\[
\left(\frac{1}{y^{2}}-\frac{1}{x^{2}}\right)\left(\frac{1}{z^{2}}-\frac{1}{y^{2}}\right)\left(\frac{1}{x^{2}}-\frac{1}{z^{2}}\right)
\]
then \( -\mathrm{n} \) is ...........
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