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  2. Integration by parts - Wikipedia

    en.wikipedia.org/wiki/Integration_by_parts

    Two other well-known examples are when integration by parts is applied to a function expressed as a product of 1 and itself. This works if the derivative of the function is known, and the integral of this derivative times is also known. The first example is ⁡ (). We write this as:

  3. Telescoping series - Wikipedia

    en.wikipedia.org/wiki/Telescoping_series

    A telescoping product is a finite product (or the partial product of an infinite product) that can be canceled by the method of quotients to be eventually only a finite number of factors. [ 7 ] [ 8 ] It is the finite products in which consecutive terms cancel denominator with numerator, leaving only the initial and final terms.

  4. Wallace tree - Wikipedia

    en.wikipedia.org/wiki/Wallace_tree

    The final product is calculated by the weighted sum of all these partial products. The first step, as said above, is to multiply each bit of one number by each bit of the other, which is accomplished as a simple AND gate, resulting in n 2 {\displaystyle n^{2}} bits; the partial product of bits a m {\displaystyle a_{m}} by b n {\displaystyle b ...

  5. Partially ordered set - Wikipedia

    en.wikipedia.org/wiki/Partially_ordered_set

    Conversely, a strict partial order < on may be converted to a non-strict partial order by adjoining all relationships of that form; that is, := < is a non-strict partial order. Thus, if ≤ {\displaystyle \leq } is a non-strict partial order, then the corresponding strict partial order < is the irreflexive kernel given by a < b if a ≤ b and a ...

  6. Triple product rule - Wikipedia

    en.wikipedia.org/wiki/Triple_product_rule

    Suppose a function f(x, y, z) = 0, where x, y, and z are functions of each other. Write the total differentials of the variables = + = + Substitute dy into dx = [() + ()] + By using the chain rule one can show the coefficient of dx on the right hand side is equal to one, thus the coefficient of dz must be zero () + = Subtracting the second term and multiplying by its inverse gives the triple ...

  7. 56 Examples Of Great Products That Failed When They ... - AOL

    www.aol.com/lifestyle/56-products-failed-despite...

    Image credits: mleclerc182 #9. Lime green skittles. sour apple is for a*****s. #10. There was a pancake batter in a whipped cream can I used to buy. It was great, you didn’t need to make a ton ...

  8. Series (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Series_(mathematics)

    Partial summation of a sequence is an example of a linear sequence transformation, and it is also known as the prefix sum in computer science. The inverse transformation for recovering a sequence from its partial sums is the finite difference , another linear sequence transformation.

  9. Product rule - Wikipedia

    en.wikipedia.org/wiki/Product_rule

    In calculus, the product rule (or Leibniz rule [1] or Leibniz product rule) is a formula used to find the derivatives of products of two or more functions.For two functions, it may be stated in Lagrange's notation as () ′ = ′ + ′ or in Leibniz's notation as () = +.