Let u1, u2, u3 be given as shown below. Note that u1 and u2 are othogonal but that u3 is not orthogonal to either u1 or u2. It can be shown that u3 is not in the subspace W spanned by u1 and u2. Use this fact to construct a nonzero vector v in R 3 that is orthogonal to u1 and u2.  u1=(1,1,-2)  u2=(5,-1,2)  u3=(0,0,1)

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