Consider the polynomials p₁ (t)=3-t³, p₂ (t)=2-t², p₂ (t)=t-5t², and p₁ (t)=7-t+3t² −1³. 3 Is {P₁, P2, P3, P4} a basis for P3? Why or why not? If not, write one vector as a linear combination of the others.

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