2000018906

SubArea: 
Matrices and determinants
Level: 
B
Project ID: 
2000018906
Accepted: 
0
Clonable: 
0
Easy: 
0
Specify how the rank of the matrix A changes depending on the value of t, where A=(3−21−4−64−280t0t).
If t=0, the rank is 1, otherwise the rank is 2.
If t=0, the rank is 1, otherwise the rank is 3.
If t=0, the rank is 2, otherwise the rank is 1.
If t=2, the rank is 3, otherwise the rank is 1.