Datrys ar gyfer k
k\in (-\infty,-2\sqrt{6}]\cup [2\sqrt{6},\infty)
Rhannu
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k^{2}\geq 24
Ychwanegu 24 at y ddwy ochr.
k^{2}\geq \left(2\sqrt{6}\right)^{2}
Cyfrifo ail isradd 24 a chael 2\sqrt{6}. Ailysgrifennwch 24 fel \left(2\sqrt{6}\right)^{2}.
|k|\geq 2\sqrt{6}
Mae anghydraddoldeb ar gyfer |k|\geq 2\sqrt{6}.
k\leq -2\sqrt{6}\text{; }k\geq 2\sqrt{6}
Ailysgrifennwch |k|\geq 2\sqrt{6} fel k\leq -2\sqrt{6}\text{; }k\geq 2\sqrt{6}.
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