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OpenStudy (anonymous):
Arc length, r = (2 + t)i - (t +1)j + tk, with the given interval of 0 ≤ t ≤ 3.
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OpenStudy (anonymous):
why are there so many variables, do u know the number value for j, i or k
OpenStudy (anonymous):
it's Vector-Valued Fractions
OpenStudy (anonymous):
don't know then, have gottten to that math yet
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