The line \[y=mx+c\] touches the parabola \[{{x}^{2}}=4ay\], if [MNR 1973; MP PET 1994, 99]

The line \[y=mx+c\] touches the parabola \[{{x}^{2}}=4ay\], if [MNR

1.	The line \[y=mx+c\] touches the parabola \[{{x}^{2}}=4ay\], if [MNR 1973; MP PET 1994, 99]
A.	\[c=-am\]
B.	\[c=-a/m\]
C.	\[c=-a{{m}^{2}}\]
D.	\[c=a/{{m}^{2}}\]
Answer» D. \[c=a/{{m}^{2}}\]

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The line \[y=mx+c\] touches the parabola \[{{x}^{2}}=4ay\], if [MNR 1973; MP PET 1994, 99]

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