Let B=(-x+x2, -2x +x,2-3x+x).(a) Show that B spans P2.(b) Hence, explain why B forms a basis for P?.(c) Find the coordinate vector of 22 relative

Let B=(-x+x2, -2x +x²,2-3x+x²).(a) Show that B spans P2.(b) Hence, explain why B forms a basis for P?.(c) Find the coordinate vector of 22 relative to the basis B.