Is there an error in this question?
Let u = $(1,0,2)$, v = $(2,1,0)$ and w = $(0,2,1)$. Compute
||u + v - w.||v = v
This is exactly what is in the question (even the dot after w which I don't know what it means).
Thanks
2026-03-30 06:45:28.1774853128
Is there an error in this question on vector addition and subtraction?
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We need to prove that $$|u+v-w|=1.$$ I hope now it's clear.