A particle moves in the yz-plane along the curve represented by the vector-valued function r(t) = (2
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A particle moves in the yz-plane along the curve represented by the vector-valued function r(t) = (2 cos t)j + (3 sin t)k.
(a) Describe the curve.
(b) Find the minimum and maximum values of
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||r' and r'||.
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