if x= ab-1 and theta a and theta b are the errors in the measurement of a and b respectively, then the maximum percentage error in the value of x will be?
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An increase in the short-term risk of myocardial infarction has been described in various infectious processes including influenza, pneumonia, acute bronchitis, urinary tract infections, and bacteremia. The risk of myocardial infarction is more pronounced in chest infections; both viral and bacterial.
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Answer:
Correct option is
C
(
a−b
Δa
+
a−b
Δb
)×100%
Maximum absolute error is Δa+Δb.
Therefore the percentage error =
(actual error /absolute error)
×100
∴ Percentage error =( a−bΔa
+
a−b
Δb
)×100%
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