Show that the maximum error in the quotient of two quantities is equal to the sum of their individual
fractional errors.
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suppose
- Z=X+Y..........(1)
then , final value of Z is
- Z=(X + ∆X) + (Y + ∆Y)
- where ∆x and ∆Y are the maximum possible of errors in X and Y respectively.
If maximum possible errors in Z is + ∆Z then,
- Z + ∆Z=(X + ∆X) + (Y + ∆Y)
- =[X+Y] + (∆X + ∆Y)
- or, ∆Z=∆X + ∆Y
therefore the maximum possible errors in the final value is the sum of individual absolute errors.
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