Question: Let u ( t ) = e 6 t i + e - 9 t j and v ( t ) = t i -

Let u(t)=e6ti+e-9tj and v(t)=ti-7t7j. Find ddt[u(t)*v(t)].
(Express numbers in exact form. Use symbolic notation and fractions where needed.)
ddt[u(t)*v(t)]=
Let u ( t ) = e 6 t i + e - 9 t j and v ( t ) = t

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