Find the exact value of ∣xy∣\displaystyle {\left|{{x}{y}}\right|}∣xy∣ given:
{x2+y2=8x2−y2=2\displaystyle {\left\lbrace\begin{array}{c} {x}^{{2}}+{y}^{{2}}={8}\\{x}^{{2}}-{y}^{{2}}={2}\end{array}\right.}{x2+y2=8x2−y2=2
∣xy∣=\displaystyle {\left|{{x}{y}}\right|}=∣xy∣=
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