Suppose a matrix A has columns that span Rn. Select the best statement. OA. Then the equation Ax = 0 must have nontrivial solutions. ○ B. Then the equation Ax = 0 will have nontrivial solutions precisely when it is not square. O cannot have nontrivial solutions. OC. Then the equation Ax OD. Then the equation Ax OE. Then the equation Ax information. OF. none of the above = - = O will have nontrivial solutions only if one column is a multiple of another column. O can have nontrivial solutions, but the shape of the matrix will not give us that

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