If \[y=mx+c\] is tangent on the ellipse \[\frac{{{x}^{2}}}{9}+\frac{{{y}^{2}}}{4}=1\], then the value of c is

If \[y=mx+c\] is tangent on the ellipse \[\frac{{{x}^{2}}}{9}+\frac{{{

1.	If \[y=mx+c\] is tangent on the ellipse \[\frac{{{x}^{2}}}{9}+\frac{{{y}^{2}}}{4}=1\], then the value of c is
A.	0
B.	\[3/m\]
C.	\[\pm \sqrt{9{{m}^{2}}+4}\]
D.	\[\pm 3\sqrt{1+{{m}^{2}}}\]
Answer» D. \[\pm 3\sqrt{1+{{m}^{2}}}\]

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If \[y=mx+c\] is tangent on the ellipse \[\frac{{{x}^{2}}}{9}+\frac{{{y}^{2}}}{4}=1\], then the value of c is

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