Lahenda väärtuse x leidmiseks
\left\{\begin{matrix}x\in \left(\frac{-\sqrt{2\epsilon +273}+13}{2},\frac{-\sqrt{273-2\epsilon }+13}{2}\right)\text{, }&\frac{-\sqrt{2\epsilon +273}+13}{2}<\frac{-\sqrt{273-2\epsilon }+13}{2}\text{ and }\epsilon <\frac{273}{2}\text{ and }\epsilon >0\\x\in \left(\frac{\sqrt{273-2\epsilon }+13}{2},\frac{\sqrt{2\epsilon +273}+13}{2}\right)\text{, }&\frac{\sqrt{273-2\epsilon }+13}{2}<\frac{\sqrt{2\epsilon +273}+13}{2}\text{ and }\epsilon <\frac{273}{2}\text{ and }\epsilon >0\\x\in \left(\frac{-\sqrt{2\epsilon +273}+13}{2},\frac{\sqrt{2\epsilon +273}+13}{2}\right)\text{, }&\epsilon >\frac{273}{2}\\x\in \left(\frac{13-\sqrt{546}}{2},\frac{13}{2}\right)\cup \left(\frac{13}{2},\frac{\sqrt{546}+13}{2}\right)\text{, }&\epsilon =\frac{273}{2}\end{matrix}\right,
Lahenda väärtuse ε leidmiseks
\epsilon >2|x^{2}-13x-26|
Graafik
Viktoriin
Algebra
5 probleemid, mis on sarnased:
2 | x ^ { 2 } - 4 ^ { 2 } - 13 x - 10 | < \varepsilon
Jagama
Lõikelauale kopeeritud
Näited
Ruutvõrrand
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonomeetria
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Lineaarne võrrand
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Aritmeetika
699 * 533
Matrix
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Samaaegne võrrand
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Diferentseerimine
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integratsioon
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Piirid
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}