Two circles passing through A(1, 2) and B(2, 1) touch the lines 4x + 8y – 7 = 0 at C and…
Mathematics · JEE Advanced · NTA Exams — Co-ordinate Geometry
Two circles passing through A(1, 2) and B(2, 1) touch the lines 4x + 8y – 7 = 0 at C and D such that ACED is parallelogram, then
- mid point of AE must lie on CD.
- mid point of AE must lie on AC.
- E must be the point \(\left(\frac{13}{2},-4\right)\)
- E must be the point \(\left(\frac{15}{2},-\frac{9}{2}\right)\)
Answer
(A) mid point of AE must lie on CD., (D) E must be the point ( 15 2 ,- 9 2 )
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