Level:
Project ID:
2000017605
Accepted:
0
Clonable:
0
Easy:
0
Let \(a\) and \(b\) be real numbers. What is the determinant of the following matrix equal to?
\[
\left (\array{
a +b & 1 & 0\cr
1 & a-b& 1\cr
a & 0 & -1\cr
} \right )
\]
\( b^2-a^2+a+1\)
\( a^2-b^2+a+1\)
\( a^2-b^2+a-1\)
\( b^2-a^2-a+1\)
Fixed Answer:
None