Question
Condition for $\mathrm{a} \perp \mathbf{b}$. Show that a is perpendicular to $\mathbf{b}$ if $|\mathbf{a}+\mathbf{b}|=|\mathbf{a}-\mathbf{b}|$
Step 1
Step 1: Let's denote the angle between vectors $\mathbf{a}$ and $\mathbf{b}$ as $\theta$. Show more…
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