The ellipse x^ 2 a^ 2 + y^ 2 b^ 2 =1 and the straight line y = mx + c intersect in real…
Mathematics · JEE Main · NTA Exams — Co-ordinate Geometry
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
- a2m2 < c2 – b2
- a2m2 > c2 + b2
- a2m2 ≥ c2 – b2
- c ≥ b
Answer
(C) a 2 m 2 ≥ c 2 – b 2
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