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TIFR ECE 2021 | Question: 13

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Consider a unit Euclidean ball in $4$ dimensions, and let $V_{n}$ be its volume and $S_{n}$ its surface area. Then $S_{n} / V_{n}$ is equal to:

  1. $1$
  2. $4$
  3. $5$
  4. $2$
  5. $3$

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