This preview shows pages 1-2. to view the full 6 pages of the document.
MT T S
I S. Y
Q . THE PROPERTIES OF DETERMINANTS
An n×nmatrix A is called skew-symmetric if At=−A. Show that if Ais skew-symmetric and nis an
odd positive integer, then Ais not invertible.
Only pages 1-2 are available for preview. Some parts have been intentionally blurred.
Q . CRAMER’S RULE, VOLUME, AND LINEAR TRANSFORMATIONS
Solve the linear system using Cramer’s Rule:
x1+ 2x2+ 3x3= 6
2x2+ 3x3= 5
You're Reading a Preview
Unlock to view full version