Question

I₂ is the matrix ____________.

Options

• `[(1,1),(0,1)]`

• `[(1,1),(1,1)]`

• `[(1,0),(0,1)]`

• `[(0,1),(1,0)]`

Answer 1

I₂ is the matrix `[(1,0),(0,1)]`.

Explanation:

It is an identity matrix with the order 2 x 2, I₂ = `[(1,0),(0,1)]`