Question

determinant | x²-x+1 x-1 |​

Answer 1

Answer:

x+1

i dont know the step by step explanation because i have done it because of calculator

Answer 2

Answer:

2

Step-by-step explanation:

=(x³-x²+1) (x+1) -(x+1) (x+1)

=x³-x²+x+x²-x+1-(x²-1)

=x³+1-x²+1

=x³-x²+2

=2