Réitigh do k. (complex solution)
\left\{\begin{matrix}\\k=\frac{75}{7}\approx 10.714285714\text{, }&\text{unconditionally}\\k\in \mathrm{C}\text{, }&m=0\end{matrix}\right.
Réitigh do m. (complex solution)
\left\{\begin{matrix}\\m=0\text{, }&\text{unconditionally}\\m\in \mathrm{C}\text{, }&k=\frac{75}{7}\end{matrix}\right.
Réitigh do k.
\left\{\begin{matrix}\\k=\frac{75}{7}\approx 10.714285714\text{, }&\text{unconditionally}\\k\in \mathrm{R}\text{, }&m=0\end{matrix}\right.
Réitigh do m.
\left\{\begin{matrix}\\m=0\text{, }&\text{unconditionally}\\m\in \mathrm{R}\text{, }&k=\frac{75}{7}\end{matrix}\right.
Tráth na gCeist
Linear Equation
5 fadhbanna cosúil le:
28km = 300m
Roinn
Cóipeáladh go dtí an ghearrthaisce
28mk=300m
Tá an chothromóid i bhfoirm chaighdeánach.
\frac{28mk}{28m}=\frac{300m}{28m}
Roinn an dá thaobh faoi 28m.
k=\frac{300m}{28m}
Má roinntear é faoi 28m cuirtear an iolrúchán faoi 28m ar ceal.
k=\frac{75}{7}
Roinn 300m faoi 28m.
28km-300m=0
Bain 300m ón dá thaobh.
\left(28k-300\right)m=0
Comhcheangail na téarmaí ar fad ina bhfuil m.
m=0
Roinn 0 faoi 28k-300.
28mk=300m
Tá an chothromóid i bhfoirm chaighdeánach.
\frac{28mk}{28m}=\frac{300m}{28m}
Roinn an dá thaobh faoi 28m.
k=\frac{300m}{28m}
Má roinntear é faoi 28m cuirtear an iolrúchán faoi 28m ar ceal.
k=\frac{75}{7}
Roinn 300m faoi 28m.
28km-300m=0
Bain 300m ón dá thaobh.
\left(28k-300\right)m=0
Comhcheangail na téarmaí ar fad ina bhfuil m.
m=0
Roinn 0 faoi 28k-300.
Samplaí
Cothromóid chearnach
{ x } ^ { 2 } - 4 x - 5 = 0
Triantánacht
4 \sin \theta \cos \theta = 2 \sin \theta
Cothromóid líneach
y = 3x + 4
Uimhríocht
699 * 533
Maitrís
\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]
Cothromóid chomhuaineach
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Difreáil
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Comhtháthú
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Teorainneacha
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}