What will be the obtuse angle between two lines 2x - y + 4 = 0 and 3x+y+3 = 0 .
What will be the formula of the angle between the lines y = m_{1x}+C_{1 }and y = m_{2}x + c_{2}.
If the straight lines px+3y-12 = 0 and 4y-3x+7 = 0 are parallel to each other , find the value of P.
If the line passing through (3 , -4) and (-2 , a) is parallel to the line given by the equation y+2x+3 = 0 , what will be the value of a.
What will be the slope of the straight line perpedicular to 4x+3y = 12.
If the straight lines 2x+3y+6 = 0 and ax-5y+20 = 0 are perpendicular to each other , find the value of a .
Find the equation of a straight line which is parallel to the line with the equation 5x+7y = 14 and passes through to the point (-2 , -3) .
Find the equation of a straight line which passes through the point (2,1) and is parallel to the line joining the points (2,3) and (3,-1) .
Find the equation of straight lines passing through the point (2 , 3) and perpendicular to the line 4x-3y = 10.
Find the equation of straight lines passing through a point (-6 , 4) and perpendicular to the line 3x-4y + 9 = 0 .
Find the equation of straight lines passing through a point (7 , 1) and perpendicular to the line 5x+7y+12 = 0.
The point C divides the line segment AB joining the points A (2 , 3) and B(-4) in the ratio 2:1 . Find the equation of the line passing through the point C and perpendicular to AB .
Find the equation of the straight lines passing through the point (2 , 3) and making an angle of 45(^0) with the line x-3y = 2.
Find the equation of the straight lines passing through the point (1,0) & inclined at an angle of 30(^0) with the line x- (sqrt{3y}) = 4.
If the line (frac{x}{a}) + (frac{y}{b}) = 1 passes through the point of intersection of the lines x+y = 3 and 2x-3y = 1 and is parallel to the line y=x-6 , then find the values of a and b.