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Sir You are at both unacademy and Prepkit
Can u please tell me that to which platform should i follow...
The vector r, starting at the origin, terminates at and specifies the point in space (x, y, z). Find the surface swept out by the tip of rif
(a) (ra) a=0. Characterize a geometrically.
(b) (ra) r=0. Describe the geometric role of a.
The vector a is constant (in magnitude and direction
