Mathematics questions
18011 published questions with worked solutions.
- The point of concurrence of the lines ax+by+c=0 and a,b,c satisfy the relation 3a+2b+4c=0 is
- The equation of line through the point (1,1) and making angles of 45^ with the line x+y=0 are
- A ray of light passing through the point (1,2) is reflected on the x-axis at a point P and passes through the point (5,3), then...
- If the lines 3x+4y+1=0, 5x+ y+3=0 and 2x+y-1=0 are concurrent, then is equal to
- The line passing through the point of intersection of x+y=2, x-y=0 and is parallel to x+2y=5, is
- The centroid of the triangle formed by the pair of straight lines 12x^2-20xy+7y^2=0 and the line 2x-3y+4=0 is
- The equation of the line passing through the point of intersection of the lines x-3y+2=0 and 2x+5y-7=0 and perpendicular to the...
- Equation of the straight line making equal intercepts on the axes and passing through the point (2,4), is
- The straight line 3x+4y-5=0 and 4x=3y+15 intersect at the point P. On these lines the points Q and R are chosen so that PQ=PR....
- The value of such that x^2-10xy+12y^2+5x-16y-3=0 represent a pair of straight lines, is
- If (-4,5) is one vertex and 7x-y+8=0 is one diagonal of a square, then the equation of the second diagonal is
- The equation of the lines through the point (3,2) which makes an angle of 45^ with the line x-2y=3, are
- The equation of pair of lines joining origin to the points of intersection of x^2+y^2=9 and x+y=3 is
- The value of , for which the equation x^2-y^2-x+ y-2=0 represents a pair of straight lines, are
- The equation y^2-x^2+2x-1=0 represents
- The equation of straight line equally inclined to the axes, with negative slope, and equidistant from the points (1,-2) and (3,4)...
- The point P(a,b) lies on the straight line 3x+2y=13 and the point Q(b,a) lies on the straight line 4x-y=5, then equation of the...
- If the sum of distances from a point P on two mutually perpendicular straight lines is 1 unit, then the locus of P is
- The equation of the straight lines passing through the point (4,3) and making intercepts on the coordinate axes whose sum is -1,...
- The three straight lines ax+by=c, bx+cy=a and cx+ay=b are collinear, if