Let
2
1
5
,
6
2
15
,
19
7
45
and
4
7
8
.
Is in ? Type "yes" or "no".
How many vectors are in ? Enter "inf" if the answer is infinitely many.
How many vectors are in ? Enter "inf" if the answer is infinitely many.
Is in the subspace spanned by ? Type "yes" or "no".
You can earn partial credit on this problem.