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If L = 2.05 cm pm 0.02 cm B = 1.11 cm ...

If `L = 2.05 cm pm 0.02 cm`
`B = 1.11 cm pm 0.03 cm`
What are `(L + B) and (L - B)` equal to ?

Text Solution

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`L+B = 3.17 cm pm 0.05 cm`
`L-B = 0.95 cm pm -0.05 cm`
Please note that actual values i.e. 2.06 cm and 1.11 cm are added in case of `(L+B)` and subtracted in case of `(L-B)`, but absolute errors are added in both cases.
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