If the tangents on the ellipse 4 x^ 2 +y^ 2 =8 at the points (1, 2) and (a, b) are…
Mathematics · JEE Main · NTA Exams — Co-ordinate Geometry
If the tangents on the ellipse \(4 x^{2}+y^{2}=8\) at the points (1, 2) and (a, b) are perpendicular to each other, then a2 is equal to:
- \(\frac{2}{17}\)
- \(\frac{64}{17}\)
- \(\frac{128}{17}\)
- \(\frac{4}{17}\)
Answer
(A) 2 17
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