If X = A×B and ∆X, ∆A and ∆B are maximum absolute errors in X, A and B respectively, then…

Physics · JEE Main · NTA Exams — Physics and Measurement

1. ∆X = ∆A + ∆B
2. ∆X = ∆A – ∆B
3. \(\frac{\Delta X}{X}=\frac{\Delta A}{A}-\frac{\Delta B}{B}\)
4. \(\frac{\Delta X}{X}=\frac{\Delta A}{A}+\frac{\Delta B}{B}\)

Answer

(D) X X = A A + B B

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