Leystu fyrir D, B, C, A
D=-\sqrt{7}B\text{, }B\in \mathrm{R}\text{, }C=-3\sqrt{7}\approx -7.937253933\text{, }A\in \mathrm{R}
D=\sqrt{7}B\text{, }B\in \mathrm{R}\text{, }C=3\sqrt{7}\approx 7.937253933\text{, }A\in \mathrm{R}
D=\frac{BC}{3}\text{, }B\in \mathrm{R}\text{, }C\in \mathrm{R}\text{, }A=0
D=0\text{, }B=0\text{, }C\in \mathrm{R}\setminus 3\sqrt{7},-3\sqrt{7}\text{, }A\in \mathrm{R}
Deila
Afritað á klemmuspjald
Dæmi
Annars stigs jafna
{ x } ^ { 2 } - 4 x - 5 = 0
Hornafræði
4 \sin \theta \cos \theta = 2 \sin \theta
Línuleg jafna
y = 3x + 4
Reikningslistarinnar
699 * 533
Uppistöðuefni
\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]
Samtímis jafna
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Aðgreining
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Heildun
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Takmörk
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}