Datrys ar gyfer f
f=\frac{1}{7}+\frac{1}{14x^{4}}
x\neq 0
Datrys ar gyfer x (complex solution)
x=\frac{2^{\frac{3}{4}}i\left(7f-1\right)^{-\frac{1}{4}}}{2}
x=\frac{2^{\frac{3}{4}}\left(7f-1\right)^{-\frac{1}{4}}}{2}
x=-\frac{2^{\frac{3}{4}}\left(7f-1\right)^{-\frac{1}{4}}}{2}
x=-\frac{2^{\frac{3}{4}}i\left(7f-1\right)^{-\frac{1}{4}}}{2}\text{, }f\neq \frac{1}{7}
Datrys ar gyfer x
x=\frac{2^{\frac{3}{4}}}{2\sqrt[4]{7f-1}}
x=-\frac{2^{\frac{3}{4}}}{2\sqrt[4]{7f-1}}\text{, }f>\frac{1}{7}
Graff
Rhannu
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14xf=2x+\frac{1}{x^{3}}
Mae'r hafaliad yn y ffurf safonol.
\frac{14xf}{14x}=\frac{2x+\frac{1}{x^{3}}}{14x}
Rhannu’r ddwy ochr â 14x.
f=\frac{2x+\frac{1}{x^{3}}}{14x}
Mae rhannu â 14x yn dad-wneud lluosi â 14x.
f=\frac{1}{7}+\frac{1}{14x^{4}}
Rhannwch 2x+\frac{1}{x^{3}} â 14x.
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