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What is the percentage error in the phy...

What is the percentage error in the physical quantity A If it is related to four other physical quantities a, b, c and d as `A=(a^(2)b^(3))/(d sqrt(c))`? The percentage error in measurement of a, b, c and d are1%, 3%, 2% and 1% respectively.

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The correct Answer is:
`13.00`
Percentage error in A
`=2(Deltaa)/a +3 (Deltab)/b+1/2(Deltac)/c +(Deltad)/d`
` (2xx1+3 xx 3 + 1/2xx 2 +1 xx 1)% = 13% `
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