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If the algebraic sum of the perpendiculars from the points `(2,0),(0,2),(1,1)` to a variable line be zero, then prove that line passes through a fixed-point whose coordinates are `(1,1)dot`

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RD SHARMA ENGLISH-THE STRAIGHT LINES -All Questions
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  3. If the algebraic sum of the perpendiculars from the points (2,0),(0,2)...

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  4. A ray of light is sent along the line x-2y-3=0 upon reaching the line ...

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  5. lines L1:ax+by+c=0 and L2:lx+my+n=0 intersect at the point P and make ...

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  6. Find the equation of the straight line passing through the point of ...

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  7. Find the equation of the straight line which cuts off intercept on ...

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  8. Find the equation of the straight line passing through the point of ...

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  9. Find the equations of the lines through the point of intersection of t...

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  10. If the diagonals of the quadrilateral formed by lines l1x+m1y+n1=0, l...

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  11. Write the area of the figure formed by the lines a|x|+b|y|+c=0.

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  12. If theta is the acute angle between the lines with slopes m1 and m2 th...

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  13. A straight line L is perpendicular to the line 5x-y=1. The area of the...

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  14. Find the image of the point (-8,12) with respect to line mirror 4x+7y+...

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  15. Show that the equation of a line passing through (acos^3theta,asin^3th...

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  16. Find the equation of a straight line parallel to 2x+3y+11=0 and which ...

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  17. Find the coordinates of the foot of the perpendicular drawn from the ...

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  18. If the lines p1x+q1y=1,p2x+q2y=1a n dp3x+q3y=1, be concurrent, show th...

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  19. Prove that the medians of a triangle are concurrent and find the posit...

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  20. Show that the altitudes of a triangle are concurrent

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