The ellipse \[\frac{{{x}^{2}}}{{{a}^{2}}}+\frac{{{y}^{2}}}{{{b}^{2}}}=1\] and the straight line \[y=mx+c\] intersect in real points only if [MNR 1995]

\[{{a}^{2}}{{m}^{2}}>{{c}^{2}}-{{b}^{2}}\]

\[{{a}^{2}}{{m}^{2}}\ge {{c}^{2}}-{{b}^{2}}\]

The ellipse \[\frac{{{x}^{2}}}{{{a}^{2}}}+\frac{{{y}^{2}}}{{{b}^{2}}}=

1.	The ellipse \[\frac{{{x}^{2}}}{{{a}^{2}}}+\frac{{{y}^{2}}}{{{b}^{2}}}=1\] and the straight line \[y=mx+c\] intersect in real points only if [MNR 1995]
A.	\[{{a}^{2}}{{m}^{2}}<{{c}^{2}}-{{b}^{2}}\]
B.	\[{{a}^{2}}{{m}^{2}}>{{c}^{2}}-{{b}^{2}}\]
C.	\[{{a}^{2}}{{m}^{2}}\ge {{c}^{2}}-{{b}^{2}}\]
D.	\[c\ge b\]
Answer» D. \[c\ge b\]

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The ellipse \[\frac{{{x}^{2}}}{{{a}^{2}}}+\frac{{{y}^{2}}}{{{b}^{2}}}=1\] and the straight line \[y=mx+c\] intersect in real points only if [MNR 1995]

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