Find the angle between the lines (5 – x)/(–7) = (y + 2)/(–5) = z/1 and x/1 = y/2 = z/3.

Question

TextAngle Between Two Lines in Coordinate GeometryCBSE PYQ

The position vectors of vertices of △ ABC are A(2î – ĵ + k̂), B(î – 3ĵ – 5k̂) and C(3î – 4ĵ – 4k̂). Find all the angles of △ ABC.

The value of λ for which the angle between the lines r→ = î + ĵ + k̂ + p(2î + ĵ + 2k̂) and r→ = (1 + q)î + (1 + qλ)ĵ + (1 + q)k̂ is π/2 is :

MCQ (Single)Angle Between Two Lines in Coordinate GeometryVector Equation of a Line in Three Dimensions