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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §10.3 Convergence Tests: All Series, #22 · Calculus · Series

Does the alternating series in 20 or the positive series in 21…

Does the alternating series in 20 or the positive series in 21 give $π^{2}$ more quickly? Compare $1/10 1^{2} - 1/10 2^{2} + \dots$ with $1/10 1^{2} + 1/10 2^{2} + \dots$ .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §10.3 Convergence Tests: All Series, #22

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