If the angle of intersection of the circle `x^2+y^2+x+y=0`
and `x^2+y^2+x-y=0`
is `theta`
, then the equation of the line passing through (1, 2) and making an
angle `theta`
with the y-axis is
`x=1`
(b) `y=2`
`x+y=3`
(d) `x-y=3`
A. `pi//6`
B. `pi//4`
C. `pi//3`
D. `pi//2`
