Level:
Project ID:
2000017207
Accepted:
0
Clonable:
0
Easy:
1
For what values of \(a\) and \(b\) is the matrix
\[
\left (\array{
a+5& a+3 & 0\cr
0 & a-2 & 0\cr
-a-b & a+b & a+1
} \right )
\]
a diagonal matrix?
\(a=-3\), \(b=3\)
\(a=2\), \(b=-2\)
\(a=3\), \(b=-3\)
\(a=-3\), \(b=-3\)
Fixed Answer:
None