Consider the curves r(t) = (4t-3, 2t+2, 6t-1) for -∞ < t <∞ and s(t) = (s + 1,4s + 4,-3s + 5), for -∞ < s < x. (a) (b) Do the lines intersection? If so, find the coordinates. If the r and s describe the path of particles, do the particles collide? Assume t > and s20 in seconds.

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A:

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