2000017101

Level: 
Project ID: 
2000017101
Accepted: 
0
Clonable: 
0
Easy: 
0
Determine all real numbers \(b\) such that there exists the inverse matrix to the matrix: \[ \left (\array{ 4& 3 & b\cr 2 & 1 & 2 \cr b& b & -1 } \right ) \]
all real numbers
all non-negative real numbers
all positive real numbers
Such a number does not exists.
Fixed Answer: 
Last Fixed