I= -1- 4t Consider the lines l :{y = 4+ 4t z = 7+ 8t (r= 4+3s , teR and l2:{ y = 1-s , s€ R. : = 5+ 2s (a) Show that l and l2 intersect at a right angle and find the point of intersection. (b) Find a scalar equation of the plane spanned by l4 and l.- (c) Find parametric equations of the line perpendicular to both l and lz and passing through the point Po(-1, –1,2).

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Coordinate Geometry

Coordinate geometry, also known as analytic geometry or Cartesian geometry in classical mathematics, is a type of geometry that is studied using a coordinate system. Coordinate geometry is a branch of mathematics that describes the position of points on a plane using an ordered pair of numbers called coordinates.