1.

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

Answer»

`1.4m+-0.4m`
`1.41m+-0.15m`
`1.4m +-0.3 m`
`1.4 m+-0.2m`

ANSWER :D


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