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CBSE Class 11-science Answered

Given, x=ab²/c³. If th percentage error of a, b and c are 1%, 13% and 2% respectively. What is the percentage error in x?
Asked by malaysaha.80 | 17 Apr, 2020, 08:33: AM
answered-by-expert Expert Answer
X = a b2 / c3
 
( ΔX/X ) = (Δa/a) + 2 (Δb/b) + 3(Δc/c )
 
( ΔX/X ) = 0.01 + 2(0.13) + 3(0.02) = 0.33
 
Percentage error in X = 33%
Answered by Thiyagarajan K | 17 Apr, 2020, 09:37: AM
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