Find the mass of the wire that lies along the curve r and has density ?.C1: r(t) = (6 cos t)i + (6 sin t)j, 0 ? t ? ;C2: r(t) = 6j + tk, 0 ? t ? 1; ? = 7t5

A. ?5 units
B.  units
C. ?5 units
D.  units


Answer: B

Mathematics

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