Which set forms a basis for R2\mathbb{R}^2R2?
{⟨1,0⟩,⟨0,1⟩,⟨1,1⟩}\{\langle 1, 0 \rangle, \langle 0, 1 \rangle, \langle 1, 1 \rangle\}{⟨1,0⟩,⟨0,1⟩,⟨1,1⟩}
{⟨2,1⟩,⟨4,2⟩}\{\langle 2, 1 \rangle, \langle 4, 2 \rangle\}{⟨2,1⟩,⟨4,2⟩}
{⟨3,2⟩,⟨1,−1⟩}\{\langle 3, 2 \rangle, \langle 1, -1 \rangle\}{⟨3,2⟩,⟨1,−1⟩}
{⟨1,2⟩}\{\langle 1, 2 \rangle\}{⟨1,2⟩}