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The formula follows from considering the set {1, 2, 3, ..., n} and counting separately (a) the k-element groupings that include a particular set element, say "i", in every group (since "i" is already chosen to fill one spot in every group, we need only choose k − 1 from the remaining n − 1) and (b) all the k-groupings that don't include "i ...
In elementary algebra, the binomial theorem (or binomial expansion) describes the algebraic expansion of powers of a binomial.According to the theorem, the power (+) expands into a polynomial with terms of the form , where the exponents and are nonnegative integers satisfying + = and the coefficient of each term is a specific positive integer ...
After a while, Khan's other cousins began to use his tutoring service. Due to the demand, Khan decided to make his videos watchable on the Internet, so he published his content on YouTube. [9] Later, he used a drawing application called SmoothDraw, and now uses a Wacom tablet to draw using ArtRage. The video tutorials were recorded on his ...
“It’s cute, it really is. Because we really want that,” Sanders said of bowl eligibility. “But that’s not all we’re after. That’s one of the hurdles that we’re jumping over, that ...
The polynomial x 2 + cx + d, where a + b = c and ab = d, can be factorized into (x + a)(x + b).. In mathematics, factorization (or factorisation, see English spelling differences) or factoring consists of writing a number or another mathematical object as a product of several factors, usually smaller or simpler objects of the same kind.
When someone says "Black Friday," you may think of holiday shopping chaos. But how did the day get its name? Here's the true story.
Every four years, we elect a new president to lead our nation. Also referred to as "the leader of the free world," this person is often judged and associated with how the economy is doing when ...
Ka (cuneiform) Ka or kꜣ, "double" or "vital essence", an Ancient Egyptian concept of the soul or spirit; Knight or Dame of St Andrew, a Barbadian award; Kingda Ka, a former roller coaster at Six Flags Great Adventure; KA, a carbonated drink produced by the company A.G. Barr "Ka" (song), a song composed by LeaF for Taiko no Tatsujin