Enrhifo
\frac{3\sqrt{15}}{5}\approx 2.323790008
Rhannu
Copïo i clipfwrdd
\frac{9\sqrt{15}}{\left(\sqrt{15}\right)^{2}}
Mae'n rhesymoli enwadur \frac{9}{\sqrt{15}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{15}.
\frac{9\sqrt{15}}{15}
Sgwâr \sqrt{15} yw 15.
\frac{3}{5}\sqrt{15}
Rhannu 9\sqrt{15} â 15 i gael \frac{3}{5}\sqrt{15}.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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\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]
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\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}