The value of λ, for which the circle x^ 2 +y^ 2 +2 x+6 y+1=0 intersects the circle x^ 2…
Mathematics · JEE Main · NTA Exams — Co-ordinate Geometry
The value of λ, for which the circle \(x^{2}+y^{2}+2 \lambda x+6 y+1=0\) intersects the circle \(x^{2}+y^{2}+4 x+2 y=0\) orthogonally, is
- \(\frac{11}{8}\)
- \(-1\)
- \(\frac{-5}{4}\)
- \(\frac{5}{2}\)
Answer
(C) -5 4
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