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krok68 [10]
3 years ago
5

Rewrite the expression in the form k - x^n.

Mathematics
1 answer:
JulsSmile [24]3 years ago
6 0

Answer:

Step-by-step explanation:

hello : here is an solution

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Please help me with the below question.
o-na [289]

Given that

\vec r(t) = \left\langle 4t e^{-t}, 8 \arctan(t), 8 e^t \right\rangle

we first differentiate with respect to t to get the tangent vector, \vec T(t) :

\vec T(t) = \dfrac{d\vec r}{dt} = \left\langle (4-4t) e^{-t}, \dfrac8{1+t^2}, 8e^t \right\rangle

At t = 0, the tangent vector is

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To get the <em>unit</em> tangent vector, multiply this by 1/(norm of tangent vector) :

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Then the unit tangent vector is

\dfrac{\vec T(0)}{\|\vec T(0)\|} = \left\langle \dfrac4{12}, \dfrac8{12}, \dfrac8{12}\right\rangle = \boxed{\left\langle\dfrac13, \dfrac23, \dfrac23\right\rangle}

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A scale model of a car is 10 in long. The actual car is 15ft long . What is the scale of the model
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15 divided by 10 is 1.5
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Read 2 more answers
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