1.

Write down the equation of the pair of straight lines joining the origin to the points of intersection of the 6x-y+8=0 with the pair of straight lines 3x^2+4xy-4y^2-11x+2y+6=0. Show that the lines so obtained make equal angles with the coordinates axes.

Answer»


Answer :`COS^(-1)((13)/(sqrt(193)))`


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