2. Consider the following geometric vectors: Which one of the following equations is true? \[ -\mathbf{a}=\mathbf{c}+\mathbf{d}-\mathbf{b} \] \[ \mathbf{a}+\mathbf{b}-\mathbf{c}-\mathbf{d}=\mathbf{0} \] \[ \mathbf{c}-\mathbf{d}-\mathbf{a}=-\mathbf{b} \] \[ \mathbf{a}-\mathbf{b}=\mathbf{d}-\mathbf{c} \] \[ \mathbf{a}+\mathbf{b}=\mathbf{c}+\mathbf{d} \]
Added by Randy R.
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The vectors form a closed shape, which implies that the sum of the vectors around the shape should be zero. Show moreβ¦
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