b. Find a similar result involving a column of zeros. 26. In each part, find a 6 x 6 matrix [a] that satisfies the stated condition. Make your answers as general as possible by using letters rather than specific numbers for the nonzero entries. a. a = 0 if ij b. a₁j = 0 if i>j c. a₁ = 0 if i 1

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