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(a) whether the 'curve' option of the PEDIT command produces a spline curveor a fit curve
(b) whether editing functions are performed on the spline curve or on it'scontrolling frame
(c) the accuracy of approximation of a spline curve
(d) whether a spline curve is a quadratic b-spline or cubic b-spline
(d) >>>>>>>>>>>>>>whether a spline curve is a quadratic b-spline or cubic b-spline
My answer is option (d) whether a spline curve is a quadratic b-spline or cubic b-spline
The Correct option is "whether a spline curve is a quadratic b-spline or cubic b-spline" which is option -D