AP EAMCET · Maths · Straight Lines
If a point \(P\) moves such that the sum of the distances from \(P\) to the point \(A(1,-1)\) and \(B(-1,1)\) is always 4 , then the equation for the locus of \(P\) is
- A \(16 x^2-64 x+7 y^2=48\)
- B \(3 x^2+2 x y+3 y^2=8\)
- C \(6 x+4 y=3\)
- D \(x^2+y^2-8 x+6 y=0\)
Answer & Solution
Correct Answer
(B) \(3 x^2+2 x y+3 y^2=8\)
Step-by-step Solution
Detailed explanation
Let point \(P(x, y)\), so…
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