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1
answer)
Let X=(-1, -3, 3) and U = span{Y = (1, 0, 3), Z = (1, 1, 1)}. If X is in U, write X=aY + bZ, then find the sum
a+b.
A. X is not in U
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B. a+b=-1
C. a+b= 4
D. a+b=0
E. None of the other choices is correct
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