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$$$\frac{e^{- 2 t}}{2}\cdot \left\langle 2 e^{2 t}, 0\right\rangle$$$
Sua entrada
Calcule $$$\frac{e^{- 2 t}}{2}\cdot \left\langle 2 e^{2 t}, 0\right\rangle$$$.
Solução
Multiplique cada coordenada do vetor pelo escalar:
$$${\color{SaddleBrown}\left(\frac{e^{- 2 t}}{2}\right)}\cdot \left\langle 2 e^{2 t}, 0\right\rangle = \left\langle {\color{SaddleBrown}\left(\frac{e^{- 2 t}}{2}\right)}\cdot \left(2 e^{2 t}\right), {\color{SaddleBrown}\left(\frac{e^{- 2 t}}{2}\right)}\cdot \left(0\right)\right\rangle = \left\langle 1, 0\right\rangle$$$
Resposta
$$$\frac{e^{- 2 t}}{2}\cdot \left\langle 2 e^{2 t}, 0\right\rangle = \left\langle 1, 0\right\rangle$$$A
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