Let A = col (u1, ..., un) (column vector) and B = (v1, ..., v„) (row vector); let n ≥ 2.
a) Show directly that the n × n matrix AB is singular (cf. the Remark at the end of Section 1.9).
b) Show that BA is 1 × 1–that is, a scalar.
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.