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Linearity of integration: ∫ [af(x) + bg(x)] dx =
AAlways 0
B∫ f × ∫ g
Ca ∫ f + b ∫ g (linear)
Df + g
Answer & Solution
Correct answer: C. a ∫ f + b ∫ g (linear)
Integration is linear: ∫ (af + bg) dx = a ∫ f dx + b ∫ g dx. (Pulls constants out, distributes over sums.)
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