Here's the question you clicked on:
suju101
evaluate the determinant: A=|6 -3 2| 2 -1 2 -10 5 2
0 I think is your answer
could you explain the process
explainig is a little difficult here.but you can test this link : http://en.wikipedia.org/wiki/Determinant
this one can be useful too: http://analyzemath.com/Tutorial-System-Equations/determinants.html