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plugging
Searching in Crosswords ...
The answer PLUGGING has 2 possible clue(s) in existing crosswords.
Searching in Word Games ...
The word PLUGGING is VALID in some board games. Check PLUGGING in word games in Scrabble, Words With Friends, see scores, anagrams etc.
Searching in Dictionaries ...
Definitions of plugging in various dictionaries:
verb - fill or close tightly with or as if with a plug
verb - persist in working hard
verb - deliver a quick blow to
Word Research / Anagrams and more ...
Keep reading for additional results and analysis below.
Possible Crossword Clues |
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Blocking promotion |
Stopping for advertising |
Last Seen in these Crosswords & Puzzles |
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Jan 1 2004 The Guardian - Cryptic crossword |
Jul 7 2002 The Telegraph - Cryptic |
Possible Dictionary Clues |
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block or fill in (a hole or cavity). |
Present participle of plug. |
The act of stopping with a plug. |
The material of which a plug or stopper is made. |
An arrangement of plugs. |
A piece of solid material fitting tightly into a hole and blocking it up. |
A device for making an electrical connection between an appliance and the mains, consisting of an insulated casing with metal pins that fit into holes in a socket. |
A piece of publicity promoting a product, event, or establishment. |
A piece of tobacco cut from a larger cake for chewing. |
A lure with one or more hooks attached. |
Plugging might refer to |
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In mathematics, a Change of variables is a basic technique used to simplify problems in which the original variables are replaced with functions of other variables. The intent is that when expressed in new variables, the problem may become simpler, or equivalent to a better understood problem. * Change of variables is an operation that is related to substitution. However these are different operations, as can be seen when considering differentiation (chain rule) or integration (integration by substitution). * A very simple example of a useful variable change can be seen in the problem of finding the roots of the sixth degree polynomial:* * * * * x * * 6 * * * − * 9 * * x * * 3 * * * + * 8 * = * 0. * * * * {\displaystyle x^{6}-9x^{3}+8=0.\,} * Sixth degree polynomial equations are generally impossible to solve in terms of radicals (see Abel–Ruffini theorem). This particular equation, however, may be written * * * * * ( * * x * * 3 * * * * ) * * 2 * * * − * 9 * ( * * x * * 3 * * * ) * + * 8 * = * 0 * * * {\displaystyle (x^{3})^{2}-9(x^{3})+8=0} * (this is a simple case of a polynomial decomposition). Thus the equation may be * simplified by defining a new variable u =x3. Substituting x by * * * * * * u * * 3 * * * * * * {\displaystyle {\sqrt[{3}]{u}}} * into the polynomial gives * * * * * * u * * 2 * * * − * 9 * u * + * 8 * = * 0 * , * * * {\displaystyle u^{2}-9u+8=0,} * which is just a quadratic equation with the two solutions: * * * * * u * = * 1 * * * and * * * u * = * 8. * * * {\displaystyle u=1\quad {\text{and}}\quad u=8.} * The solutions in terms of the original variable are obtained by substituting x3 back in for u, which gives * * * * * * x * * 3 * * * = * 1 * * * and * * * * x * * 3 * * * = * 8. * * * {\displaystyle x^{3}=1\quad {\text{and}}\quad x^{3}=8.} * Then, assuming that one is interested only in real solutions, the solutions of the original equation are * * * * * x * = * ( * 1 * * ) * * 1 * * / * * 3 * * * = * 1 * * * ... |