The equation \[xy+{{a}^{2}}=a(x+y)\] represents [MP PET 1991]

1.	The equation \[xy+{{a}^{2}}=a(x+y)\] represents [MP PET 1991]
A.	A parabola
B.	A pair of straight lines
C.	An ellipse
D.	Two parallel straight lines
Answer» C. An ellipse

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The equation \[xy+{{a}^{2}}=a(x+y)\] represents [MP PET 1991]

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