Enrhifo
-2
Ffactor
-2
Cwis
Arithmetic
{ \left( \frac{ 1 }{ 5 } \right) }^{ -1 } - { \left( \frac{ 1 }{ 7 } \right) }^{ -1 }
Rhannu
Copïo i clipfwrdd
5-\left(\frac{1}{7}\right)^{-1}
Cyfrifo \frac{1}{5} i bŵer -1 a chael 5.
5-7
Cyfrifo \frac{1}{7} i bŵer -1 a chael 7.
-2
Tynnu 7 o 5 i gael -2.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometreg
4 \sin \theta \cos \theta = 2 \sin \theta
Hafaliad llinol
y = 3x + 4
Rhifyddeg
699 * 533
Matrics
\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]
Hafaliad ar y pryd
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Gwahaniaethu
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integreiddiad
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}