Enrhifo
\frac{\sqrt{14}}{2}\approx 1.870828693
Rhannu
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\sqrt{\frac{7}{2}}
Cyfrifo ail isradd 4 a chael 2.
\frac{\sqrt{7}}{\sqrt{2}}
Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{7}{2}} fel rhaniad ail israddau \frac{\sqrt{7}}{\sqrt{2}}.
\frac{\sqrt{7}\sqrt{2}}{\left(\sqrt{2}\right)^{2}}
Mae'n rhesymoli enwadur \frac{\sqrt{7}}{\sqrt{2}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{2}.
\frac{\sqrt{7}\sqrt{2}}{2}
Sgwâr \sqrt{2} yw 2.
\frac{\sqrt{14}}{2}
I luosi \sqrt{7} a \sqrt{2}, dylid lluosi'r rhifau dan yr ail isradd.
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