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The ellipse (x^2)/(a^2)+(y^2)/(b^2)=1 an...

The ellipse `(x^2)/(a^2)+(y^2)/(b^2)=1` and the straight line `y=mx+c` intersect in real points only if:

A

`a^(2)m^(2) lt c^(2) - b^(2)`

B

`a^(2)m^(2) gt c^(2) - b^(2)`

C

`a^(2)m^(2) ge c^(2) - b^(2)`

D

`c ge b`

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The correct Answer is:
C
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