Datrys sqrt{18}+2sqrt{50}

$$\sqrt { 18 } + 2 \sqrt { 50 }$$

Enrhifo

$$13\sqrt{2}\approx 18.384776311$$

Camau Ateb

Ffactora 18=3^{2}\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{3^{2}\times 2} fel lluoswm ail israddau \sqrt{3^{2}}\sqrt{2}. Cymryd isradd 3^{2}.

$$3\sqrt{2}+2\sqrt{50}$$

Ffactora 50=5^{2}\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{5^{2}\times 2} fel lluoswm ail israddau \sqrt{5^{2}}\sqrt{2}. Cymryd isradd 5^{2}.

$$3\sqrt{2}+2\times 5\sqrt{2}$$

Lluosi 2 a 5 i gael 10.

$$3\sqrt{2}+10\sqrt{2}$$

Cyfuno 3\sqrt{2} a 10\sqrt{2} i gael 13\sqrt{2}.

$$13\sqrt{2}$$