The position of a particle moving along the x - axis at time t is given by x(t) = e©os2t, 0stsn. For which of the the following values of t will x'(t) = 0? %3D 1.t=0 II. t= 2 III. t= A) I only B) I and III only (c) I and II only D) I, II, and II

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