Let f and g continuous functions in that satisfy at the same time the following equalities : • [ (ƒ (x) + 9(x)) dx = x³ + x² • g'(x) = 5x³ + 6 •g (0) = 0 What's the value of [1(a) dz 325 O a) 4 3x5 O b) 4 3.25 O c) 4 3x5 O d) 4 + 2x² + C 2x² + C -3x² + C +3x²+ C

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