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Khan Academy is an American non-profit [3] educational organization created in 2006 by Sal Khan. [1] Its goal is to create a set of online tools that help educate students. [ 4 ] The organization produces short video lessons. [ 5 ]
Cl0,1(R) is a two-dimensional algebra generated by e1 that squares to −1, and is algebra-isomorphic to C, the field of complex numbers. Cl0,2(R) is a four-dimensional algebra spanned by {1, e1, e2, e1e2}. The latter three elements all square to −1 and anticommute, and so the algebra is isomorphic to the quaternions H.
Map (mathematics) A map is a function, as in the association of any of the four colored shapes in X to its color in Y. In mathematics, a map or mapping is a function in its general sense. [ 1] These terms may have originated as from the process of making a geographical map: mapping the Earth surface to a sheet of paper.
Tue, May 21, 2024 · 1 min read. Khan Academy. Microsoft and non-profit educational organization Khan Academy have formed a partnership that will allow all K-12 educators in the US to access the ...
Khan Academy is the big name in online education, for various reasons. It offers instruction in a wide variety of subjects, including math, science and even test prep for exams like the SAT and ...
Associative property. In mathematics, the associative property[ 1] is a property of some binary operations that means that rearranging the parentheses in an expression will not change the result. In propositional logic, associativity is a valid rule of replacement for expressions in logical proofs .
In mathematics, an injective function (also known as injection, or one-to-one function[ 1] ) is a function f that maps distinct elements of its domain to distinct elements; that is, x1 ≠ x2 implies f(x1) ≠ f(x2). (Equivalently, f(x1) = f(x2) implies x1 = x2 in the equivalent contrapositive statement.) In other words, every element of the ...
Updated Thu, Feb 16, 2017 · 1 min read. Pixar is offering a free course through Khan Academy that can help you find the kind of stories you want to tell -- and help you tell them better. The "Art ...
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