Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §10.5 Power Series, #15 · Calculus · Power & Taylor series

From the series for … find the limit as … faster than…

From the series for $(1 - cos x) / x^{2}$ find the limit as $x \to 0$ faster than l'Hôpital's rule.

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §10.5 Power Series, #15

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