ChallengeSuperchallengeIntegrals I: Feynman's Trick ShareIntegrals I: Feynman's Trick · Superchallenge problemEvaluate limn→∞n2(cos(1n)−1)\displaystyle\lim_{n \to \infty} n^{2} \left(\cos{\left(\frac{1}{n} \right)} - 1\right)n→∞limn2(cos(n1)−1).Check Show answer Walk through it step by step Practice more like this Review this concept