1.

. Two perpendicular tangents to \[{{y}^{2}}=4ax\] always intersect on the line, if               [Karnataka CET 2000]

A.            \[x=a\]                                      
B.            \[x+a=0\]
C.            \[x+2a=0\]                                
D.            \[x+4a=0\]
Answer» C.            \[x+2a=0\]                                


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