AP EAMCET · Maths · Straight Lines
Suppose a triangle of area 27 sq. units is formed by \(18 x^2-9 x y+y^2=0\) and \(y=c\). Then the centroid of the triangle is
- A \((3,12)\)
- B \((12,3)\)
- C \((-12,3)\)
- D \((-3,12)\)
Answer & Solution
Correct Answer
(A) \((3,12)\)
Step-by-step Solution
Detailed explanation
Let two lines \(4=\mathrm{y}=\mathrm{m}, \mathrm{x}\) and \(\mathrm{b}=\mathrm{y} \mathrm{m}\) \(\Rightarrow 18 x 2-9 x y+y 2=(y-m, x)(y-m, x)\) on complaining \(\mathrm{M}_1+\mathrm{M}_2=\mathrm{g}\) and \(\mathrm{M}_1, \mathrm{M}_2=18\) \(\Rightarrow M_1=3,6 \quad M_2=6,3\)…
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