CBSE class XI Mathematics 2008 Important Questions


Q. 1. Find the distance of the point A(2, 3) from the line 2x - 3y + 9 = 0 measure along a line making an anagle of 450 with X axis.

Q. 2. Find the angle between the lines Find the equation of the bisector of whose vertices are A(-2, 4), B(5,5) and C(4, -2).

Q. 4. Find the coordinates of the orthocentre of the triangle formed by the lines x+y-6=0 and 3y = 5x + 2.

Q. 4. Find the equation of the straight line passing through (4,-2) and making an angle of 600 with the negative direction of Y axis.

Q. 6. Reduce in to normal form and hence find the value of

Q. 7. Find the image of the point (1, -2) on the line y = 2x + 1.

Q. 8. A ray of light is sent along the line x - 2y - 3 = 0. Upon reaching the line 3x - 2y - 5 = 0 the ray is reflected from it. Find the equation of the line containing the reflected ray.

Q. 9.Find the equation of the line mid parallel to the lines 9x + 12y - 15 = 0 and 3x + 4y - 15 = 0

Q. 10. One side of a recatngle lie along the line 4x + 7y +5 = 0. Two of its vertices are (-3,1) and (1,1). Find the equation of the diagonals of the rectangle.

 

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