A straight line has its extremities on two fixed straight lines and cuts off from them a triangle of constant area \[{{c}^{2}}\].Then the locus of the middle point of the line is

A straight line has its extremities on two fixed straight lines and cu

1.	A straight line has its extremities on two fixed straight lines and cuts off from them a triangle of constant area \[{{c}^{2}}\].Then the locus of the middle point of the line is
A.	\[2xy={{c}^{2}}\]
B.	\[xy+{{c}^{2}}=0\]
C.	\[4{{x}^{2}}{{y}^{2}}=c\]
D.	None of these
Answer» B. \[xy+{{c}^{2}}=0\]

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A straight line has its extremities on two fixed straight lines and cuts off from them a triangle of constant area \[{{c}^{2}}\].Then the locus of the middle point of the line is

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