Let PQR be a right - angled isosceles tr...

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

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Let P Q R be a right-angled isosceles triangle, right angled at P(2,1)dot If the equation of the line Q R is 2x+y=3 , then the equation representing the pair of lines P Q and P R is (a) 3x^2-3y^2+8x y+20 x+10 y+25=0 (b) 3x^2-3y^2+8x y-20 x-10 y+25=0 (c) 3x^2-3y^2+8x y+10 x+15 y+20=0 (d) 3x^2-3y^2-8x y-15 y-20=0

Let P Q R be a right-angled isosceles triangle, right angled at P(2,1)dot If the equation of the line Q R is 2x+y=3 , then the equation representing the pair of lines P Q and P R is 3x^2-3y^2+8x y+20 x+10 y+25=0 3x^2-3y^2+8x y-20 x-10 y+25=0 3x^2-3y^2+8x y+10 x+15 y+20=0 3x^2-3y^2-8x y-15 y-20=0

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