Datrys sqrt{40}

$$\sqrt{40}$$

Enrhifo

$$2\sqrt{10}\approx 6.32455532$$

Camau Ateb

Ffactora 40=2^{2}\times 10. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 10} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{10}. Cymryd isradd 2^{2}.

$$2\sqrt{10}$$