Exercises 7173 refer to the graph C of the parametric equations where and are two fixed
Chapter 6, Problem 6.1.1.235(choose chapter or problem)
Exercises 71–73 refer to the graph C of the parametric equations
\(x=t c+(1-t) a, \quad y=t d+(1-t) b\)
where \(P_{1}(a, b) \text { and } P_{2}(c, d)\) are two fixed points
Using Parametric Equations in Geometry Show that if t=0.5, the corresponding point (x,y) on C is the midpoint of the line segment with endpoints (a,b) and (c,d).
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