1.

The error in measuring the side of a cube is `+- 1%`. The error in the calculation of the volume of the cube will be aboutA. `+-0.001%`B. `+-1%`C. `+-6%`D. `+-3%`

Answer» Volume of cube V- (side `a)^(3)`
`therefore V=a^(3)`. Take log and differentiate.
`(DeltaV)/(V)=3(Deltaa/(a)=3(+-+-1%)=+-3%`


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