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A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]
where f (2k−1) is the (2k − 1)th derivative of f and B 2k is the (2k)th Bernoulli number: B 2 = 1 / 6 , B 4 = − + 1 / 30 , and so on. Setting f ( x ) = x , the first derivative of f is 1, and every other term vanishes, so [ 15 ]
In mathematics, the infinite series 1 / 2 + 1 / 4 + 1 / 8 + 1 / 16 + ··· is an elementary example of a geometric series that converges absolutely. The sum of the series is 1.
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There’s really nothing better than receiving a little extra spending money during the holidays, which is why gift cards were the #1 item our readers plan to put in their stockings.
salamu alaykum written in the Thuluth style of Arabic calligraphy. As-salamu alaykum (Arabic: ٱلسَّلَامُ عَلَيْكُمْ, romanized: as-salāmu ʿalaykum, pronounced [as.sa.laː.mu ʕa.laj.kum] ⓘ), also written salamun alaykum and typically rendered in English as salam alaykum, is a greeting in Arabic that means 'Peace be upon you'.