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  2. Frobenius solution to the hypergeometric equation - Wikipedia

    en.wikipedia.org/wiki/Frobenius_solution_to_the...

    Hence, to get the solutions, we just make this substitution in the previous results. For x = 0, c 1 = 0 and c 2 = 1 − γ. Hence, in our case, c 1 = 0 while c 2 = γ − α − β. Let us now write the solutions. In the following we replaced each z by 1 - x.

  3. Simplification - Wikipedia

    en.wikipedia.org/wiki/Simplification

    Simplification is the process of replacing a mathematical expression by an equivalent one that is simpler (usually shorter), according to a well-founded ordering. Examples include:

  4. Quintic function - Wikipedia

    en.wikipedia.org/wiki/Quintic_function

    An example of a more complicated (although small enough to be written here) solution is the unique real root of x 5 − 5x + 12 = 0. Let a = √ 2φ −1, b = √ 2φ, and c = 45, where φ = ⁠ 1+ √ 5 / 2 ⁠ is the golden ratio. Then the only real solution x = −1.84208... is given by

  5. 1 − 2 + 3 − 4 + ⋯ - ⋯ - Wikipedia

    en.wikipedia.org/wiki/1_%E2%88%92_2_%2B_3_%E2%88...

    The idea becomes clearer by considering the general series 1 − 2x + 3x 2 − 4x 3 + 5x 4 − 6x 5 + &c. that arises while expanding the expression 1 ⁄ (1+x) 2, which this series is indeed equal to after we set x = 1.

  6. List of carboxylic acids - Wikipedia

    en.wikipedia.org/wiki/List_of_carboxylic_acids

    C 4 H 9 CH(C 2 H 5)COOH 3-ethanehexanoic acid C 3 H 7 CH(C 2 H 5)CH 2 COOH ... CH 3 (CH 2) 12 COOH C15. IUPAC name: Common name: Structural formula pentadecanoic acid:

  7. Quaternary numeral system - Wikipedia

    en.wikipedia.org/wiki/Quaternary_numeral_system

    The four DNA nucleotides in alphabetical order, abbreviated A, C, G, and T, can be taken to represent the quaternary digits in numerical order 0, 1, 2, and 3. With this encoding, the complementary digit pairs 0↔3, and 1↔2 (binary 00↔11 and 01↔10) match the complementation of the base pairs : A↔T and C↔G and can be stored as data in ...

  8. 2,2,4,4-Tetramethylcyclobutanedione - Wikipedia

    en.wikipedia.org/wiki/2,2,4,4-Tetramethylcyclo...

    2,2,4,4-Tetramethylcyclobutanedione is the organic compound with the formula (CH 3) 4 C 4 O 2. The compound is a diketone of cyclobutane, bearing four methyl groups . It is a white solid that is used as a precursor to diverse industrial products.

  9. IEC metric screw sized connectors - Wikipedia

    en.wikipedia.org/wiki/IEC_metric_screw_sized...

    M12 A-coded 5-pin connector: For each connector size, the A-coding is the inspecific pinout variant and the only variant defined in varying numbers of pins. Ethernet cable with an M12 X-coded connector in one end and a modular connector in the other.