Question: Let r(t) = (ti) (j + tk). Then r'(t)= Oix (j+tk) + (ti) x k Oix k Oix (j+tk) (ti) k - +la) 1(t)

Let r(t) = (ti) (j + tk). Then r'(t)= Oix (j+tk) +

Let r(t) = (ti) (j + tk). Then r'(t)= Oix (j+tk) + (ti) x k Oix k Oix (j+tk) (ti) k - +la) 1(t) x (i+k

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