If the position vector of a moving particle is Fe) = (4 t+1) î +(t*+2) } +(6+t + t)k, %3D what is the speed of the particle when it reaches the point ( 5, 3, 8) 1) 29 2) 98 3) V29 4) V98 Select one: O 1 O 2 O 4
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