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Mathematics 20 Online
OpenStudy (anonymous):

Find the Domain: r(t)= F(t) cross G(t), where F(t)=t^3i-tj+tk and G(t)=cubert(t)i+1/t+1j+(t+2)k

OpenStudy (anonymous):

(-1-3 t-t^2)i+(t^(4/3)-2 t^3-t^4)j+(t^(4/3)+t^2+t^3)k

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