Part BCSIR NET December 2024normalise-both-sums-before-the-limit

Normalise both sums before the limit

$lim (n \to \infty) \int_{0}^{1} \int_{0}^{1} \dots \int_{0}^{1} (x_{1}^{2} + \dots + x_{n}^{2}) / (x_{1} + \dots + x_{n})$ dx $_{1} \dots$ dx $_{n}$ equals

A.1
B.1/2
C.2
D.2/3✓

You have the answer. Trap Analysis is why the other three were written.

Not a worked solution repeated four times — the specific reasoning error each wrong option was built to reward.

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Normalise both sums before the limit

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