3.2 † Prove part (ii) of Theorem 3.1.2. Theorem 3.1.2 Let f and g be in R[a, 6} and c e R. Then i. f+g€ R[a, b) and (f + g)(x) dx = f(x) dr + | 9(x) dr. ii. cf e Rla, b] and | ef(2) dz = c f(2) dzr.

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