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If the sides PQ and QR of Delta PQR are ...

If the sides PQ and QR of `Delta PQR` are the perpendicular bisector of AB and AC, which are sides of `Delta ABC`. Find the equation of BC, If coordinates of P,Q, R and A are `(-1,0), (0,-1),(2,0) and (1/2,-1/2)`

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The correct Answer is:
2x - 4y - 5 = 0
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