The angle between the lines whose intercepts on the axes are a, -b and – McqOptions

MCQOPTIONS

1.	The angle between the lines whose intercepts on the axes are a, -b and b, -a respectively, is
A.	\[{{\tan }^{-1}}\frac{{{a}^{2}}-{{b}^{2}}}{ab}\]
B.	\[{{\tan }^{-1}}\frac{{{b}^{2}}-{{a}^{2}}}{2}\]
C.	\[{{\tan }^{-1}}\frac{{{b}^{2}}-{{a}^{2}}}{2ab}\]
D.	None of these
Answer» D. None of these

Discussion

No Comment Found

Related MCQs

The length of the perpendicular from the point \[(b,a)\]to the line \[\frac{x}{a}-\frac{y}{b}=1\], is
The product of the perpendiculars drawn from the points \[(\pm \sqrt{{{a}^{2}}-{{b}^{2}},}0)\] on the line\[\frac{x}{a}\cos \theta +\frac{y}{b}\sin \theta =1\], is
In what direction a line be drawn through the point (1, 2) so that its points of intersection with the line \[x+y=4\] is at a distance \[\frac{\sqrt{6}}{3}\] from the given point [IIT 1966; MNR 1987]
If the lines \[ax+y+1=0,x+by+1=0\] and \[x+y+c=0\] (a, b, c being distinct and different from 1) are concurrent, then \[\frac{1}{1-a}+\frac{1}{1-b}+\frac{1}{1-c}=\]
The pedal points of a perpendicular drawn from origin on the line \[3x+4y-5=0\],is [RPET 1990]
Which pair of points lie on the same side of \[3x-8y-7=0\] [Roorkee 1990]
Distance between the lines \[5x+3y-7=0\] and \[15x+9y+14=0\] is [Kerala (Engg.) 2002]
The equation of straight line passing through \[(-a,\ 0)\] and making the triangle with axes of area ?T? is [RPET 1987]
Let PS be the median of the triangle with vertices \[P(2,\ 2),\ Q(6,\ -\ 1)\]and \[R(7,\ 3)\]. The equation of the line passing through (1,? 1) and parallel to PS is [IIT Screening 2000]
The medians AD and BE of a triangle with vertices \[A\ (0,\ b),\ B\ (0,\ 0)\] and \[C\ (a,\ 0)\] are perpendicular to each other, if [Karnataka CET 2000]