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You measure two quantities an A=1.0 m+-0...

You measure two quantities an `A=1.0 m+-0.2 m, B =2.0 m+-0.2m`. We should report correct value for `sqrt(AB)` as

A

`1.4m+-0.4m`

B

`1.41m+-0.15m`

C

`1.4m+-0.3m`

D

`1.4m+-0.2m`

Text Solution

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The correct Answer is:
D
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