The equation of one of the line represented by the equation \[pq({{x}^

1.	The equation of one of the line represented by the equation \[pq({{x}^{2}}-{{y}^{2}})+({{p}^{2}}-{{q}^{2}})xy=0\], is
A.	\[px+qy=0\]
B.	\[px-qy=0\]
C.	\[{{p}^{2}}x+{{q}^{2}}y=0\]
D.	\[{{q}^{2}}x-{{p}^{2}}y=0\]
Answer» B. \[px-qy=0\]

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The equation of one of the line represented by the equation \[pq({{x}^{2}}-{{y}^{2}})+({{p}^{2}}-{{q}^{2}})xy=0\], is

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