(8-xy)( \frac{ 1 }{ \sqrt{ 5 } } \sqrt{ 5) }
Enrhifo
8-xy
Gwahaniaethu w.r.t. x
-y
Rhannu
Copïo i clipfwrdd
\left(8-xy\right)\times \frac{\sqrt{5}}{\left(\sqrt{5}\right)^{2}}\sqrt{5}
Mae'n rhesymoli enwadur \frac{1}{\sqrt{5}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{5}.
\left(8-xy\right)\times \frac{\sqrt{5}}{5}\sqrt{5}
Sgwâr \sqrt{5} yw 5.
\frac{\left(8-xy\right)\sqrt{5}}{5}\sqrt{5}
Mynegwch \left(8-xy\right)\times \frac{\sqrt{5}}{5} fel ffracsiwn unigol.
\frac{\left(8-xy\right)\sqrt{5}\sqrt{5}}{5}
Mynegwch \frac{\left(8-xy\right)\sqrt{5}}{5}\sqrt{5} fel ffracsiwn unigol.
\frac{\left(8-xy\right)\times 5}{5}
Lluosi \sqrt{5} a \sqrt{5} i gael 5.
8-xy
Canslo 5 a 5.
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}