Enrhifo
12-2\sqrt{11}\approx 5.366750419
Ehangu
12-2\sqrt{11}
Rhannu
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\left(\sqrt{11}\right)^{2}-2\sqrt{11}+1
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(\sqrt{11}-1\right)^{2}.
11-2\sqrt{11}+1
Sgwâr \sqrt{11} yw 11.
12-2\sqrt{11}
Adio 11 a 1 i gael 12.
\left(\sqrt{11}\right)^{2}-2\sqrt{11}+1
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(\sqrt{11}-1\right)^{2}.
11-2\sqrt{11}+1
Sgwâr \sqrt{11} yw 11.
12-2\sqrt{11}
Adio 11 a 1 i gael 12.
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