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Let PQR be right angled isoscles triangl...

Let PQR be right angled isoscles 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+15y+25=0`

D

`3x^2-3y^2+8xy-10x-15y-25=0`

Text Solution

Verified by Experts

The correct Answer is:
B
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