[" 48.The poidt "(a^(2),a+1)" is a point in the angle between the lines "],[3x-y+1=0" and "x+2y-5=0" containing the origin,if "]

Find the angle between the lines x-2y+5=0 and x+3y-5=0 .

Find the angle between the lines x-2y+3=0 and 3x+y-1=0 .

Find the angle between the lines x-2y+3=0 and 3x+y-1=0 .

If the point (a^(2),a+1) lies in the angle between the lines 3x-y+1=0 and x+2y-5=0 containing the origin,then find the value of a .

If the point (a^2,a+1) lies in the angle between the lines 3x-y+1=0 and x+2y-5=0 containing the origin, then find the value of adot

If the point (a^2,a+1) lies in the angle between the lines 3x-y+1=0 and x+2y-5=0 containing the origin, then find the value of adot

If the point (a^2,a+1) lies in the angle between the lines 3x-y+1=0 and x+2y-5=0 containing the origin, then find the value of adot

The point (a^(2),a+1) lies in the angle between the lines 3x+y+1=0 and x+2y-5=0 containing the origin. If a is an integer, then the sum of all possible values of a is

The angle between the lines 3x-y-1=0 and 2x+ky+5=0 is 45^(@) find k