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what-is-meant-by-




Question Number 202003 by 31282329g last updated on 18/Dec/23
what is meant by ξ
$${what}\:{is}\:{meant}\:{by}\:\xi \\ $$
Commented by mr W last updated on 18/Dec/23
it can mean nothing or every thing,  depenting on where you are using it.
$${it}\:{can}\:{mean}\:{nothing}\:{or}\:{every}\:{thing}, \\ $$$${depenting}\:{on}\:{where}\:{you}\:{are}\:{using}\:{it}. \\ $$
Commented by ajfour last updated on 18/Dec/23
What is in a name, R (rose) would   smell as sweet, even if R=ξ.
$${What}\:{is}\:{in}\:{a}\:{name},\:{R}\:\left({rose}\right)\:{would}\: \\ $$$${smell}\:{as}\:{sweet},\:{even}\:{if}\:{R}=\xi. \\ $$
Commented by nikif99 last updated on 19/Dec/23
it is a letter of greek alphabet (Ξ, ξ),  pronounced xi or ksi.  Normaly, in greek math, represents a  real and is used to determine roots   of a polynom.  example: y=x^2 −5x+6  −−−−−−−−−−−−−−−x axis      +       ξ_1            −               ξ_2         +    y>0                 y<0                       y>0  of course, you can use it everywhere  you like if you determine what it  means.
$${it}\:{is}\:{a}\:{letter}\:{of}\:{greek}\:{alphabet}\:\left(\Xi,\:\xi\right), \\ $$$${pronounced}\:{xi}\:{or}\:{ksi}. \\ $$$${Normaly},\:{in}\:{greek}\:{math},\:{represents}\:{a} \\ $$$${real}\:{and}\:{is}\:{used}\:{to}\:{determine}\:{roots}\: \\ $$$${of}\:{a}\:{polynom}. \\ $$$${example}:\:{y}={x}^{\mathrm{2}} −\mathrm{5}{x}+\mathrm{6} \\ $$$$−−−−−−−−−−−−−−−{x}\:{axis} \\ $$$$\:\:\:\:+\:\:\:\:\:\:\:\xi_{\mathrm{1}} \:\:\:\:\:\:\:\:\:\:\:−\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\xi_{\mathrm{2}} \:\:\:\:\:\:\:\:+ \\ $$$$\:\:{y}>\mathrm{0}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:{y}<\mathrm{0}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:{y}>\mathrm{0} \\ $$$${of}\:{course},\:{you}\:{can}\:{use}\:{it}\:{everywhere} \\ $$$${you}\:{like}\:{if}\:{you}\:{determine}\:{what}\:{it} \\ $$$${means}. \\ $$

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