SOLUTION: Can you just give me how to start this problem - Find the determinant of the matrix 1 1 1 - - - 1 1 2 2 - - - 2 1 2 3 - - - 3 - - - - - - - 1 2 3 - - - N W

Algebra ->  College  -> Linear Algebra -> SOLUTION: Can you just give me how to start this problem - Find the determinant of the matrix 1 1 1 - - - 1 1 2 2 - - - 2 1 2 3 - - - 3 - - - - - - - 1 2 3 - - - N W      Log On


   

Question 258682: Can you just give me how to start this problem -
Find the determinant of the matrix
1 1 1 - - - 1
1 2 2 - - - 2
1 2 3 - - - 3
- - - - - - -
1 2 3 - - - N

Would you expand the whole thing and solve??
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Start simple.
%28matrix%282%2C2%2C1%2C1%2C1%2C2%29%29
Find this determinant.
It's 1.
%28matrix%283%2C3%2C%0D%0A1%2C1%2C1%2C%0D%0A1%2C2%2C2%2C%0D%0A1%2C2%2C3%29%29
Find this determinant.
It's also 1.
I see a pattern here.
Good luck!