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If Z = 4 3 2 C B A , then the relative error in Z will be

1. Α ΔΑ + B B Δ + C C Δ
2. C C 4 – B B 3 A A 2 Δ Δ + Δ
3. C C 4 B B 3 A A 2 Δ + Δ + Δ
4. C C – B B A A Δ Δ + Δ

Correct answer: C C 4 B B 3 A A 2 Δ + Δ + Δ

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