Réitigh do a.
\left\{\begin{matrix}a=\sqrt{\frac{x^{2}\left(С^{2}-s^{2}+1\right)+2С_{1}sx^{2}}{С_{2}s+С_{3}^{2}+s^{2}}}\text{; }a=-\sqrt{\frac{x^{2}\left(С^{2}-s^{2}+1\right)+2С_{1}sx^{2}}{С_{2}s+С_{3}^{2}+s^{2}}}\text{, }&s\geq С-1\text{ and }\left(s\geq -1\text{ or }С_{1}\neq 0\right)\text{ and }\left(С_{2}\neq 0\text{ or }s\neq 0\right)\text{ and }s<С_{3}\text{ and }x<0\\a\neq 0\text{, }&s=С\text{ and }x=0\end{matrix}\right.
Réitigh do s.
s=\ln(|\sqrt{x^{2}+a^{2}}+x|)+С
a\neq 0\text{ or }x>0
Tráth na gCeist
Integration
5 fadhbanna cosúil le:
\int \frac { d x } { \sqrt { a ^ { 2 } + x ^ { 2 } } } = s
Roinn
Cóipeáladh go dtí an ghearrthaisce
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}