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Find a vector function r that satisfies the following conditions. r(t) = 5 cos 7ti + 6 sin 2t j + k, r(0) =

Find a vector function r that satisfies the following conditions. r"(t) = 5 cos 7ti + 6 sin 2t j + k, r(0) = i+k, r'(0) = i+j+k

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