If P = (a²b²) / c and percentage error in a = ±1%, b = ±2% a... — Physics | Mockzy

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If P = (a²b²) / c and percentage error in a = ±1%, b = ±2% and c = ±3%, then percentage error in P is:

±6%

±3%

±5%

±9%

If observations are made n times, then the systematic error:

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