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The angle between the diagonals of a qua...

The angle between the diagonals of a quadrilateral formed by the lines `x/a+y/b=1,x/b+y/a=1,x/a+y/b=2 and x/b+y/a=2` is

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RD SHARMA ENGLISH-THE STRAIGHT LINES -All Questions
  1. Find the equation of the line through the point A(2,3) and making an a...

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  2. If the straight line through the point (3,4) makes an angle pi/6 with ...

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  3. The angle between the diagonals of a quadrilateral formed by the line...

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  4. Find the equation of two straight lines which are parallel to x+7y+2=0...

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  5. Show that the lines 4x+y-9=0,x-2y+3=0,5x-y-6=0 make equal intercepts o...

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  6. Find the value of m for which the lines m x+(2m+3)y+m+6=0a n dm x+(2m+...

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  7. The sides A Ba n dA C of a triangle A B C are respectively 2x+3y=29a n...

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  8. A line through A(-5,-4) meets the lines x+3y+2=0,2x+y+4=0 and x-y-5=0 ...

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  9. Explain BPT Theorem

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  10. Transform the equation of the line sqrt(3)x+y-8=0 to (i) slope interce...

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  11. Find the distance of the point (2,3) from the line 2x-3y+9=0 measured ...

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  12. The line joining two points A(2,0) and B(3,1) is rotated about A in an...

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  13. Find the direction in which a straight line must be drawn through th...

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  14. Show that the equations of the straight lines passing through the poin...

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  15. A vertex of an equilateral triangle is (2,3) and the opposite side is...

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  16. Find the value of lambda , if the line 3x-4y-13=0,8x-11 y-33=0 and 2x-...

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  17. If the lines a x+y+1=0,x+b y+1=0 and x+y+c=0 are concurrent (a!=b!=c!...

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  18. If the straight line x/a+y/b=1 passes through the line point of inters...

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  19. Find the orthocentre of the triangle the equations of whose sides are ...

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  20. Two vertices of a triangle are (3,-1)a n d(-2,3) and its orthocentre i...

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