If \[x+y=k\] is a normal to the parabola \[{{y}^{2}}=12x\], then k is [IIT Screening 2000]

If \[x+y=k\] is a normal to the parabola \[{{y}^{2}}=12x\], then k is

1.	If \[x+y=k\] is a normal to the parabola \[{{y}^{2}}=12x\], then k is [IIT Screening 2000]
A.	3
B.	9
C.	?9
D.	?3
Answer» C. ?9

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If \[x+y=k\] is a normal to the parabola \[{{y}^{2}}=12x\], then k is [IIT Screening 2000]

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