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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 repersenting 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+10x+15y+20=0`

D

`3x^(2)-3y^(2)-8xy-10x-15y-20=0`

Text Solution

Verified by Experts

The correct Answer is:
B
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MODERN PUBLICATION-FAMILY OF LINES -MULTIPLE CHOICE QUESTION (LEVEL II)
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  3. If pair of st lines ax^(2)+2hxy-ay^(2)-ay^(2)=0 and bx^(2)+2gxy-by^(2)...

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  8. The equation 8x^(2)+8xy+2y^(2)+26x+13y+15=0 represents a pair of paral...

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  9. If ax^(2)+2hxy+by^(2)+2gx+2fy+c=0 represents parallel lines then

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  10. The lines joining the origin to the point of intersection of the curve...

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  12. The equation x-y=4 and x^(2)+4xy+y^(2)=0 represent the sides of

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  14. If two of the lines ax^(3)+bx^(2)y+cxy^(2)+dy^(3)=0 make complementa...

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  15. If the pairs of lines x^(2)-2pxy-y^(2)=0 and x^(2)-2qxy-y^(2)=0 be su...

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  16. A square is formed by following two pairs of st lines y^(2)-14y+45=0 a...

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  17. If one of the lines given by 6x^(2)-xy+4cy^(2)=0 is 3x+4y=0 then c eq...

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  18. Out of two st lines represented by an equation ax^(2)+2hxy+by^(2)=0 if...

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  19. The line parallel to the x axis and passing through the intersection o...

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  20. If one of the lines of my^(2)+(1-m^(2))xy-mx^(2)=0 is a bisector ...

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