$\displaystyle \sum_{ x=1}^\infty \frac{1}{x^3}$
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Originally Posted by xterminal01 $\displaystyle \sum_{ x=1}^\infty \frac{1}{x^3}$ To how many decimal places? Summing 1st Term = 1 Summing Through 2nd Term = 1.125 ........................ 3rd Term = 1.162037037 ........................ 4th Term = 1.177662037
The simplest expression for this exact value is This number is known as Apery's constant
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