Suppose u v and w are vectors in r3 show by means of a


Suppose uv and w are vectors in R3. Show by means of a counter example that

(i) (u x v) x w ≠ u x ( v x w) sometimes and that

(ii) if u ≠ 0 , u x v = u x w then u need not be equal to w.

[Hint: use i = (1,0,0) , j = (0,1,0) and k = (0,0,1)]

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Mathematics: Suppose u v and w are vectors in r3 show by means of a
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