The points , ,

MATHEMATICS · Multi-part · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

The points P(1,2,3)P(1,2,3), Q(4,−1,5)Q(4,-1,5), R(7,8,6)R(7,8,6), and S(4,11,4)S(4,11,4) are given in space. (a) Show that the quadrilateral PQRSPQRS is a parallelogram. (b) Find the area of the parallelogram PQRSPQRS in exact form.

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