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Calculus Level 2

True or False?

∑ m = 0 ∞ ∑ n = 0 ∞ ( − 1 ) m 1 n n ! m ! = 1 \large\sum_{m=0}^\infty \sum_{n=0}^\infty \dfrac{ (-1)^m 1^n}{n! m!} = 1

False True

Pi Han Goh by Pi Han Goh , 30, Malaysia

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1 solution

Michael Mendrin
Aug 14, 2016

e − 1 e 1 = 1 {e}^{-1} {e}^{1}=1 Q.E.D.

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Pi Han Goh - 4 years, 10 months ago

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lol

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Michael Mendrin - 4 years, 10 months ago

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