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GATE2018-1-27

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The value of the integral

over the closed surface $S$ bounding a volume $V$, where $\overrightarrow{r} = x \hat{i} + y \hat{j}+z \hat{k}$ is the position vector and $\overrightarrow{n}$ is the normal to the surface $S$, is

  1. $V$
  2. $2V$
  3. $3V$
  4. $4V$

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