Let S = {1+ 5x, 1 – 2x-}. Which of the following polynomials could be added to the set S to form a basis for P2? (i) 2+ 5x – 2x2 (ii) 6+ 5x – 10x2 (iii) 5 + 10x - (A) all of them (B) (iii) only (C) (ii) only (D) none of them (E) (ii) and (iii) only (F) (i) and (ii) only (G) (i) only (H) (i) and (iii) only

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