Consider the linear transformation o: P3 P4 such that o(a₂t² +a₁t+to)=(a₂ +a₁ +ãº)t³ +(a₂ +ª₁ −ãº)t² + (a₂-a₁ +ãº)t + ao. What is the matrix representing o with respect to A={1,t,t²} and B={1,t,t²,t³}?