Question: Define two vector - valued functions as follows. Compute r ( t ) * u ( t ) . r ( t ) = 9

Define two vector-valued functions as follows. Compute r(t)*u(t).
r(t)=9sin(t)i+7cos(t)j+7t3k
u(t)=7sin(t)i+9cos(t)j+(t2-7)k
r(t)*u(t)=
Define two vector - valued functions as follows.

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