Given the matrices: A = [1 −1] B = [1 2]
[2 1] [3 4]
calculate AB: [1 −1] x [1 2] = [ c₁₁ c₁₂]
[2 1] [3 4] [ c₂₁ c₂₂]
c₁₁ =?
c₁₂ =?
c₂₁ =?
c₂₂ =?