$$ 1 \leftarrow \quad $$ Given vectors $$ \mathbf{u} $$ and $$ \mathbf{v} $$, find (a) $$ 7 \mathbf{u} $$ $$ \mathbf{u}=6 \mathbf{i}, \mathbf{v}=3 \mathbf{i}+6 \mathbf{j} $$ (b) $$ 7 \mathbf{u}+2 \mathbf{v} $$ (c) $$ \mathbf{v}-2 \mathbf{u} $$. (a) $$ 7 \mathbf{u}=42 \mathbf{i} $$ (Type your answer in terms of iand $$ \mathbf{j} $$.) (b) $$ 7 \mathbf{u}+2 \mathbf{v}=\square $$ (Type your answer in terms of $$ \mathbf{i} $$ and $$ \mathbf{j} $$.)

Question

Lowe Weaver · Accepted Answer

(a) $$ 7 \mathbf{u} = 42 \mathbf{i} $$ (b) $$ 7 \mathbf{u} + 2 \mathbf{v} = 48 \mathbf{i} + 12 \mathbf{j} $$ (c) $$ \mathbf{v} - 2 \mathbf{u} = -9 \mathbf{i} + 6 \mathbf{j} $$

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