Question: I have no idea how to solve this. Consider the following vector function. r(t ) = ( 4t, 4+2, 12 ) Find the unit tangent

I have no idea how to solve this.

Consider the following vector function. r(t ) = ( 4t, 4+2, 12 ) Find the unit tangent and unit normal vectors T(t) and N(t) at t=0. You do NOT have to find the general formula for N(t). (Please don't that would be pretty messy) But you WILL have to find the general formula for T(t) and differentiate before you can find N(0). T(0) = N(0) =

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