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Let PQR be a right angled isosceles tria...

Let PQR be a right angled isosceles triangle, right angled at P(2,1). If the equation of the line QR is `2x+y=3`, then the equation representing the pair of lines PQ and PR is

A

`3x^2 - 3y^2 + 8xy - 20x - 10y + 25 = 0`

B

`3x^2 - 3y^2 + 8xy + 20x + 10y + 25 = 0`

C

`3x^2 - 3y^2 - 8xy - 20x - 10y - 25 = 0`

D

`3x^2 - 3y^2 + 8xy + 20x - 10y + 25 = 0`

Text Solution

Verified by Experts

The correct Answer is:
B
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