If the measurement of a quantity involves the product of readings of two instruments which have systematic errors x1 % and x2 %, then the systematic error in the measurement of the quantity is approximately

If the measurement of a quantity involves the product of readings of t

1.	If the measurement of a quantity involves the product of readings of two instruments which have systematic errors x1 % and x2 %, then the systematic error in the measurement of the quantity is approximately
A.	(x1 + x2) %
B.	(x1 x2) %
C.	(x1 / x2) %
D.	(x2 / x1) %
Answer» B. (x1 x2) %

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If the measurement of a quantity involves the product of readings of two instruments which have systematic errors x1 % and x2 %, then the systematic error in the measurement of the quantity is approximately

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