Enrhifo
-4\sqrt{7}\approx -10.583005244
Rhannu
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\frac{\sqrt{3}}{\sqrt{4}}\left(-\sqrt{\frac{2\times 3+2}{3}}\right)\sqrt{56}
Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{3}{4}} fel rhaniad ail israddau \frac{\sqrt{3}}{\sqrt{4}}.
\frac{\sqrt{3}}{2}\left(-\sqrt{\frac{2\times 3+2}{3}}\right)\sqrt{56}
Cyfrifo ail isradd 4 a chael 2.
\frac{\sqrt{3}}{2}\left(-\sqrt{\frac{6+2}{3}}\right)\sqrt{56}
Lluosi 2 a 3 i gael 6.
\frac{\sqrt{3}}{2}\left(-\sqrt{\frac{8}{3}}\right)\sqrt{56}
Adio 6 a 2 i gael 8.
\frac{\sqrt{3}}{2}\left(-\frac{\sqrt{8}}{\sqrt{3}}\right)\sqrt{56}
Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{8}{3}} fel rhaniad ail israddau \frac{\sqrt{8}}{\sqrt{3}}.
\frac{\sqrt{3}}{2}\left(-\frac{2\sqrt{2}}{\sqrt{3}}\right)\sqrt{56}
Ffactora 8=2^{2}\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 2} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{2}. Cymryd isradd 2^{2}.
\frac{\sqrt{3}}{2}\left(-\frac{2\sqrt{2}\sqrt{3}}{\left(\sqrt{3}\right)^{2}}\right)\sqrt{56}
Mae'n rhesymoli enwadur \frac{2\sqrt{2}}{\sqrt{3}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{3}.
\frac{\sqrt{3}}{2}\left(-\frac{2\sqrt{2}\sqrt{3}}{3}\right)\sqrt{56}
Sgwâr \sqrt{3} yw 3.
\frac{\sqrt{3}}{2}\left(-\frac{2\sqrt{6}}{3}\right)\sqrt{56}
I luosi \sqrt{2} a \sqrt{3}, dylid lluosi'r rhifau dan yr ail isradd.
\frac{\sqrt{3}}{2}\left(-\frac{2\sqrt{6}}{3}\right)\times 2\sqrt{14}
Ffactora 56=2^{2}\times 14. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 14} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{14}. Cymryd isradd 2^{2}.
\frac{-\sqrt{3}\times 2\sqrt{6}}{2\times 3}\times 2\sqrt{14}
Lluoswch \frac{\sqrt{3}}{2} â -\frac{2\sqrt{6}}{3} drwy luosi'r rhifiadur â’r rhifiadur a'r enwadur â’r enwadur.
\frac{-\sqrt{3}\sqrt{6}}{3}\times 2\sqrt{14}
Canslo 2 yn y rhifiadur a'r enwadur.
\frac{-\sqrt{3}\sqrt{6}\times 2}{3}\sqrt{14}
Mynegwch \frac{-\sqrt{3}\sqrt{6}}{3}\times 2 fel ffracsiwn unigol.
\frac{-\sqrt{3}\sqrt{6}\times 2\sqrt{14}}{3}
Mynegwch \frac{-\sqrt{3}\sqrt{6}\times 2}{3}\sqrt{14} fel ffracsiwn unigol.
\frac{-\sqrt{3}\sqrt{3}\sqrt{2}\times 2\sqrt{14}}{3}
Ffactora 6=3\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{3\times 2} fel lluoswm ail israddau \sqrt{3}\sqrt{2}.
\frac{-3\sqrt{2}\times 2\sqrt{14}}{3}
Lluosi \sqrt{3} a \sqrt{3} i gael 3.
\frac{-3\sqrt{2}\times 2\sqrt{2}\sqrt{7}}{3}
Ffactora 14=2\times 7. Ailysgrifennu ail isradd y lluoswm \sqrt{2\times 7} fel lluoswm ail israddau \sqrt{2}\sqrt{7}.
\frac{-3\times 2\times 2\sqrt{7}}{3}
Lluosi \sqrt{2} a \sqrt{2} i gael 2.
\frac{-6\times 2\sqrt{7}}{3}
Lluosi -3 a 2 i gael -6.
\frac{-12\sqrt{7}}{3}
Lluosi -6 a 2 i gael -12.
-4\sqrt{7}
Rhannu -12\sqrt{7} â 3 i gael -4\sqrt{7}.
Enghreifftiau
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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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