Watch the video that describes performing vector operations. Click here to watch the video. Given vectors $$ \mathbf{u} $$ and $$ \mathbf{v} $$, find $$ \mathbf{( a )} 9 \mathbf{u}=\langle 9,9 angle, \mathbf{v}=\langle 6,0 angle $$ (b) $$ 9 \mathbf{u}+6 \mathbf{v} $$ (c) $$ \mathbf{v}-6 \mathbf{u} $$. $$ \begin{array}{ll} ext { (a) } 9 \mathbf{u}=\langle 81,81 angle \ ext { (b) } 9 \mathbf{u}+6 \mathbf{v}=\langle\square, \square angle\end{array} $$

Question

Watch the video that describes performing vector operations. Click here to watch the video. Given vectors $$ \mathbf{u} $$ and $$ \mathbf{v} $$, find $$ \mathbf{( a )} 9 \mathbf{u}=\langle 9,9angle, \mathbf{v}=\langle 6,0angle $$ (b) $$ 9 \mathbf{u}+6 \mathbf{v} $$ (c) $$ \mathbf{v}-6 \mathbf{u} $$. $$ \begin{array}{ll}	ext { (a) } 9 \mathbf{u}=\langle 81,81angle \ 	ext { (b) } 9 \mathbf{u}+6 \mathbf{v}=\langle\square, \squareangle\end{array} $$

Bradley Welch · Accepted Answer

(a) $$ 9 \mathbf{u} = \langle 81, 81 \rangle $$ (b) $$ 9 \mathbf{u} + 6 \mathbf{v} = \langle 117, 81 \rangle $$

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