Question

What is a "trivial" solution ? Thanks a lot.

Answer 1

x=0

the vector of all zeros

Answer 2

yes please

Answer 3

http://www.mathwords.com/t/trivial.htm

Answer 4

he gives me a 2x2 matrix a b c d

Answer 5

and he tells me to "Show that the homogeneous system Ax = 0 has only the trivial solution if and only if ad - bc /= 0

Answer 6

ad - bc != 0

Answer 7

So what am I asked to show here ?