Enrhifo
18-2\sqrt{6}\approx 13.101020514
Rhannu
Copïo i clipfwrdd
\frac{3\times 4\sqrt{3}-4\sqrt{2}}{2}\sqrt{3}
Ffactora 48=4^{2}\times 3. Ailysgrifennu ail isradd y lluoswm \sqrt{4^{2}\times 3} fel lluoswm ail israddau \sqrt{4^{2}}\sqrt{3}. Cymryd isradd 4^{2}.
\frac{12\sqrt{3}-4\sqrt{2}}{2}\sqrt{3}
Lluosi 3 a 4 i gael 12.
\frac{\left(12\sqrt{3}-4\sqrt{2}\right)\sqrt{3}}{2}
Mynegwch \frac{12\sqrt{3}-4\sqrt{2}}{2}\sqrt{3} fel ffracsiwn unigol.
\frac{12\left(\sqrt{3}\right)^{2}-4\sqrt{2}\sqrt{3}}{2}
Defnyddio’r briodwedd ddosbarthu i luosi 12\sqrt{3}-4\sqrt{2} â \sqrt{3}.
\frac{12\times 3-4\sqrt{2}\sqrt{3}}{2}
Sgwâr \sqrt{3} yw 3.
\frac{36-4\sqrt{2}\sqrt{3}}{2}
Lluosi 12 a 3 i gael 36.
\frac{36-4\sqrt{6}}{2}
I luosi \sqrt{2} a \sqrt{3}, dylid lluosi'r rhifau dan yr ail isradd.
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}