Datrys (sqrt{24}-sqrt{54})*1/56

$$( \sqrt { 24 } - \sqrt { 54 } ) \times \frac { 1 } { 56 }$$

Enrhifo

$$-\frac{\sqrt{6}}{56}\approx -0.043740888$$

Camau Ateb

Ffactora 24=2^{2}\times 6. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 6} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{6}. Cymryd isradd 2^{2}.

$$\left(2\sqrt{6}-\sqrt{54}\right)\times \frac{1}{56}$$

Ffactora 54=3^{2}\times 6. Ailysgrifennu ail isradd y lluoswm \sqrt{3^{2}\times 6} fel lluoswm ail israddau \sqrt{3^{2}}\sqrt{6}. Cymryd isradd 3^{2}.

$$\left(2\sqrt{6}-3\sqrt{6}\right)\times \frac{1}{56}$$

Cyfuno 2\sqrt{6} a -3\sqrt{6} i gael -\sqrt{6}.

$$-\sqrt{6}\times \frac{1}{56}$$

Lluosi -1 a \frac{1}{56} i gael -\frac{1}{56}.

$$-\frac{1}{56}\sqrt{6}$$