Evaluer (complex solution)
2003a^{2}+2002a-2001=2001b^{2}-2002b-2003\text{ and }2001b^{2}-2002b-2003=11ab\text{ and }11ab\neq 1
Løs for b
\left\{\begin{matrix}b=\frac{\sqrt{4008003a^{2}+4006002a+1006003}+1001}{2001}\text{, }&\left(\frac{\sqrt{4008003a^{2}+4006002a+1006003}+1001}{2001}=-\frac{\sqrt{121a^{2}+44044a+20040016}}{4002}+\frac{11a}{4002}+\frac{1001}{2001}\text{ or }\frac{\sqrt{4008003a^{2}+4006002a+1006003}+1001}{2001}=\frac{\sqrt{121a^{2}+44044a+20040016}}{4002}+\frac{11a}{4002}+\frac{1001}{2001}\right)\text{ and }\frac{\sqrt{4008003a^{2}+4006002a+1006003}+1001}{2001}\neq \frac{1}{11a}\\b=\frac{-\sqrt{4008003a^{2}+4006002a+1006003}+1001}{2001}\text{, }&\left(\frac{-\sqrt{4008003a^{2}+4006002a+1006003}+1001}{2001}=-\frac{\sqrt{121a^{2}+44044a+20040016}}{4002}+\frac{11a}{4002}+\frac{1001}{2001}\text{ or }\frac{-\sqrt{4008003a^{2}+4006002a+1006003}+1001}{2001}=\frac{\sqrt{121a^{2}+44044a+20040016}}{4002}+\frac{11a}{4002}+\frac{1001}{2001}\right)\text{ and }\frac{-\sqrt{4008003a^{2}+4006002a+1006003}+1001}{2001}\neq \frac{1}{11a}\end{matrix}\right,
Løs for a
\left\{\begin{matrix}a=\frac{\sqrt{4008003b^{2}-4010006b+997995}-1001}{2003}\text{, }&\left(b\geq \frac{2\sqrt{5017519006}}{4008003}+\frac{1001}{2001}\text{ or }b\leq -\frac{2\sqrt{5017519006}}{4008003}+\frac{1001}{2001}\right)\text{ and }b\neq 0\text{ and }\frac{\sqrt{4008003b^{2}-4010006b+997995}-1001}{2003}=\frac{2001b}{11}-182-\frac{2003}{11b}\text{ and }\frac{\sqrt{4008003b^{2}-4010006b+997995}-1001}{2003}\neq \frac{1}{11b}\\a=\frac{-\sqrt{4008003b^{2}-4010006b+997995}-1001}{2003}\text{, }&\left(b\geq \frac{2\sqrt{5017519006}}{4008003}+\frac{1001}{2001}\text{ or }b\leq -\frac{2\sqrt{5017519006}}{4008003}+\frac{1001}{2001}\right)\text{ and }b\neq 0\text{ and }\frac{-\sqrt{4008003b^{2}-4010006b+997995}-1001}{2003}=\frac{2001b}{11}-182-\frac{2003}{11b}\text{ and }\frac{-\sqrt{4008003b^{2}-4010006b+997995}-1001}{2003}\neq \frac{1}{11b}\end{matrix}\right,
Aksje
Kopiert til utklippstavle
Eksempler
Kvadratisk ligning
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometri
4 \sin \theta \cos \theta = 2 \sin \theta
Lineær ligning
y = 3x + 4
Aritmetikk
699 * 533
Matrise
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Samtidig formel
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differensiering
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integrasjon
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Grenser
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}