Question

physical quantity X is related to three observables a, b, c as X = a^1/2 b^2 c^-2. The errors of measurement in a, b, and c are 2%, 1%, 3% respectively. What is the percentage error in the quantity X ?

2 points

4%

5%

6%

9%

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Answer 1

Answer:

1/2 x 2 + 2 x 1 - 2 x 3

1 + 2 - 6

-3

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