The slopes of the common tangents of the ellipse and the circle are |
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a) |
b) |
c) |
d) |
None of these |

The slopes of the common tangents of the ellipse and the circle are |
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a) |
b) |
c) |
d) |
None of these |

1 Answer

127 votes

**(b)**

Let be the slope of the common tangent, then

127 votes

127