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Find the equations of two straight lines...

Find the equations of two straight lines passing though (1,2) and making an angle of `60^0\ ` with the line `x+y=0` .Also, find the area of the triangle formed by the three lines.

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RD SHARMA ENGLISH-THE STRAIGHT LINES -All Questions
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  2. The equation of one side of an equilateral triangle is x-y=0\ and one...

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  3. Find the equations of two straight lines passing though (1,2) and ma...

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  4. Show that the point (3,-5) lies between the parallel lines 2x+3y-7=0\ ...

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  5. If two opposite vertices of a square are (1,2) and (5,8) find the c...

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  6. Obtain the equations of the line passing through the intersection of ...

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  7. Let a ,\ b ,\ c be parameters. Then the equation a x+b y+c=0 will repr...

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  8. Find the equation of a straight line through the point of intersection...

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  9. Find the equation of a straight line passing through the point of i...

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  10. Find the equation of the line passing through the point of intersectio...

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  11. Find the equation of the straight line drawn through the point of in...

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  12. Prove that the family of lines represented by x(1+lambda)+y(2-lambda)+...

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  13. Find the equation of the straight line passing through the point of in...

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  14. Find the equation of the line through the point of intersection of, th...

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  15. Write an equation representing a pair of lines through the point (a , ...

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  16. Write the coordinates of the orthocentre of the triangle formed by the...

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  17. If the centroid of a triangle formed by the points (0,0), (costheta, s...

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  18. Write the value of theta in (0,\ pi/2) for which area of the triangle ...

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  19. The distance between the lines 4x + 3y = 11 and 8x + 6y = 15 is

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  20. Write the coordinates of the orthocentre of the triangle formed by the...

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