Let P2 be the vector space of all polynomials of degree 2 or less, and let H be the subspace spanned by 2x – 3, – (x² + 1) and 4x2 + 2x + 1. a. The dimension of the subspace H is b. Is {2x – 3, – (x² + 1) , 4x² + 2x + 1} a basis for P2? c. A basis for the subspace H is {

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