The combined equation of the lines `l_1a n dl_2` is `2x^2+6x y+y^2=0` and that of the lines `m_1a n dm_2` is `4x^2+18 x y+y^2=0` . If the angle between `l_1` and `m_2` is `alpha` then the angle between `l_2a n dm_1` will be

The combined equation of the lines L_(1) and L_(2) is 2x^(2)+6xy+y^(2)=0 and that lines L_(3) and L_(4) is 4x^(2)+18xy+y^(2)=0 . If the angle between L_(1) and L_(4) be alpha , then the angle between L_(2) and L_(3) will be

Statement I . The combined equation of l_1,l_2 is 3x^2+6xy+2y^2=0 and that of m_1,m_2 is 5x^2+18xy+2y^2=0 . If angle between l_1,m_2 is theta , then angle between l_2,m_1 is theta . Statement II . If the pairs of lines l_1l_2=0,m_1 m_2=0 are equally inclinded that angle between l_1 and m_2 = angle between l_2 and m_1 .

The equation of line l_(1) is y=2x+3 , and the equation of line l_(2) is y=2x-5.

The equation of line l_(1) is y=(5)/(2)x-4 , and the equation of line l_(2) is y=-(2)/(5)x+9 .

If one of the lines of m y^2+(1-m^2)x y-m x^2=0 is a bisector of the angle between the lines x y=0 , then m is (a) 1 (b) 2 (c) -1/2 (d) -1

If one of the lines of m y^2+(1-m^2)x y-m x^2=0 is a bisector of the angle between the lines x y=0 , then m is (a) 1 (b) 2 (c) -1/2 (d) -1

Find the angle between the lines 2x=3y=-za n d 6x=-y=-4zdot

The equations of bisectors of two lines L_1 & L_2 are 2x-16y-5=0 and 64x+ 8y+35=0 . lf the line L_1 passes through (-11, 4) , the equation of acute angle bisector of L_1 & L_2 is:

Find the acute angle between the lines 2x-y+3=0\ a n d\ x+y+2=0.

Write the angle between the lines 2x=3y=z\ a n d\ 6x=-y=-4zdot