Réitigh do b. (complex solution)
\left\{\begin{matrix}b=\frac{x^{2}+2xy+27y^{2}}{x+9y}\text{, }&x\neq -9y\\b\in \mathrm{C}\text{, }&x=0\text{ and }y=0\end{matrix}\right.
Réitigh do b.
\left\{\begin{matrix}b=\frac{x^{2}+2xy+27y^{2}}{x+9y}\text{, }&x\neq -9y\\b\in \mathrm{R}\text{, }&y=0\text{ and }x=0\end{matrix}\right.
Réitigh do x. (complex solution)
x=\frac{-\sqrt{b^{2}+32by-104y^{2}}+b-2y}{2}
x=\frac{\sqrt{b^{2}+32by-104y^{2}}+b-2y}{2}
Réitigh do x.
x=\frac{-\sqrt{b^{2}+32by-104y^{2}}+b-2y}{2}
x=\frac{\sqrt{b^{2}+32by-104y^{2}}+b-2y}{2}\text{, }y\geq -\frac{3\sqrt{10}|b|}{52}+\frac{2b}{13}\text{ and }y\leq \frac{3\sqrt{10}|b|}{52}+\frac{2b}{13}
Graf
Roinn
Cóipeáladh go dtí an ghearrthaisce
\frac{\left(x+9y\right)b}{x+9y}=\frac{x^{2}+2xy+27y^{2}}{x+9y}
Roinn an dá thaobh faoi x+9y.
b=\frac{x^{2}+2xy+27y^{2}}{x+9y}
Má roinntear é faoi x+9y cuirtear an iolrúchán faoi x+9y ar ceal.
\frac{\left(x+9y\right)b}{x+9y}=\frac{x^{2}+2xy+27y^{2}}{x+9y}
Roinn an dá thaobh faoi x+9y.
b=\frac{x^{2}+2xy+27y^{2}}{x+9y}
Má roinntear é faoi x+9y cuirtear an iolrúchán faoi x+9y ar ceal.
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