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Mathematics
OpenStudy (anonymous):

Arc length, r = (2 + t)i - (t +1)j + tk, with the given interval of 0 ≤ t ≤ 3.

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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