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Eamcet Mathematics
Co - ordinate Geometry:Locus

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Q.

The perimeter of a triangle is 20 and the points (-2, -3) and (-2, 3) are two of the vertices of it. The locus of the third vertex is

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Correct choice: A

Explanation:

ns:A (-2, -3), B (-2, 3). Let the third vertex be P= (x, y). AB = 6 PA+PB+AB = 20 PA+PB=20-AB=20-6 = 14 (1) The locus of P is
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