CUET Preparation Today
CUET
-- Mathematics - Section B1
Three-dimensional Geometry
The angle between the lines whose direction ratios are \(a,b,c\) and \(b-c,c-a,a-b\) is
\(45^{\circ}\)
\(90^{\circ}\)
\(0^{\circ}\)
\(135^{\circ}\)
Apply the formula for the angle between the lines