Enrhifo
1
Ffactor
1
Rhannu
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\left(\sqrt{\left(-5\right)^{2}}+\sqrt[3]{\left(-3\right)^{3}}\right)\sqrt{2^{-2}}
Er mwyn lluosi pwerau sy’n rhannu’r un sail, adiwch eu esbonyddion. Adiwch \frac{1}{3} a -\frac{7}{3} i gael -2.
\left(\sqrt{25}+\sqrt[3]{\left(-3\right)^{3}}\right)\sqrt{2^{-2}}
Cyfrifo -5 i bŵer 2 a chael 25.
\left(5+\sqrt[3]{\left(-3\right)^{3}}\right)\sqrt{2^{-2}}
Cyfrifo ail isradd 25 a chael 5.
\left(5+\sqrt[3]{-27}\right)\sqrt{2^{-2}}
Cyfrifo -3 i bŵer 3 a chael -27.
\left(5-3\right)\sqrt{2^{-2}}
Cyfrifo \sqrt[3]{-27} a chael -3.
2\sqrt{2^{-2}}
Tynnu 3 o 5 i gael 2.
2\sqrt{\frac{1}{4}}
Cyfrifo 2 i bŵer -2 a chael \frac{1}{4}.
2\times \frac{1}{2}
Ailysgrifennu ail isradd y rhaniad \frac{1}{4} fel rhaniad ail israddau \frac{\sqrt{1}}{\sqrt{4}}. Cymryd ail isradd y rhifiadur a'r enwadur.
1
Lluosi 2 a \frac{1}{2} i gael 1.
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}