The locus of a point which moves such that the area of the triangle formed by it with the vertices $(1,2)$…

The locus of a point which moves such that the area of the triangle formed by it with the vertices $(1,2)$ and $(-2,5)$ is 8 sq. units is/are
  1. $3 x+3 y+7=0 \quad \& \quad x+y+3=0$
  2. $3 x+3 y-25=0 \& \quad x+y+3=0$
  3. $3 x+3 y-2=0 \quad \& \quad 3 x+3 y-25=0$
  4. $$ 3 x+3 y+7=0 \quad \& \quad 3 x+3 y-25=0 $$

Solution

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Asked in: AP EAMCET 2020 (07 Oct Special)

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