1.

The equation of the common tangent to the curves \[{{y}^{2}}=8x\] and \[xy=-1\] is        [IIT Screening 2002]

A.            \[3y=9x+2\]                               
B.            \[y=2x+1\]
C.            \[2y=x+8\]                                 
D.            \[y=x+2\]
Answer» E.


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