Enrhifo
-\frac{4}{729}\approx -0.005486968
Ffactor
-\frac{4}{729} = -0.0054869684499314125
Rhannu
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-4\sqrt{\frac{1}{531441}}
Cyfrifo 81 i bŵer 3 a chael 531441.
-4\times \frac{1}{729}
Ailysgrifennu ail isradd y rhaniad \frac{1}{531441} fel rhaniad ail israddau \frac{\sqrt{1}}{\sqrt{531441}}. Cymryd ail isradd y rhifiadur a'r enwadur.
\frac{-4}{729}
Lluosi -4 a \frac{1}{729} i gael \frac{-4}{729}.
-\frac{4}{729}
Gellir ailysgrifennu \frac{-4}{729} fel -\frac{4}{729} drwy echdynnu’r arwydd negatif.
Enghreifftiau
Hafaliad cwadratig
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y = 3x + 4
Rhifyddeg
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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Gwahaniaethu
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}