Question

Choose the correct alternative:

If A = `[(3, 1, -1),(2, -2, 0),(1, 2, -1)]` and `"A"^-1 = [("a"_11, "a"_12, "a"_13),("a"_21, "a"_22, "a"_23),("a"_31, "a"_32, "a"_33)]` then the value of a₂₃ is

Options

• 0

• – 2

• – 3

• – 1

Answer 1

– 1