A basis for the row space of A is { <1,0,1>,<0,1,1> }. You should be able to explain and justify your answer. Enter a coordinate vector, such as <1,2,3>, or a comma separated list of coordinate vectors, such as <1,2,3>,<4,5,6>. The dimension of the row space of A is 2 2 results are available, use up and down arrow keys to navigate. because (select all correct answers -- there may be more than one correct answer): A. Two of the three rows in rref(A) have pivots. B. rref(A) is the identity matrix. C. Two of the three columns in rref(A) are free variable columns. D. rref(A) has a pivot in every row. E. Two of the three rows in rref(A) do not have a pivot. F. The basis we found for the row space of A has two vectors. The row space of A is a subspace of because . The geometry of the row space of A is