\sqrt { ( 1 + 6 ^ { 2 } ) [ ( \frac { 144 } { 36 } ) ^ { 2 } - 4 \times \frac { 121 } { 36 } }
Enrhifo
\frac{\sqrt{851}}{3}\approx 9.723968097
Rhannu
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\sqrt{\left(1+36\right)\left(\left(\frac{144}{36}\right)^{2}-4\times \frac{121}{36}\right)}
Cyfrifo 6 i bŵer 2 a chael 36.
\sqrt{37\left(\left(\frac{144}{36}\right)^{2}-4\times \frac{121}{36}\right)}
Adio 1 a 36 i gael 37.
\sqrt{37\left(4^{2}-4\times \frac{121}{36}\right)}
Rhannu 144 â 36 i gael 4.
\sqrt{37\left(16-4\times \frac{121}{36}\right)}
Cyfrifo 4 i bŵer 2 a chael 16.
\sqrt{37\left(16-\frac{121}{9}\right)}
Lluosi 4 a \frac{121}{36} i gael \frac{121}{9}.
\sqrt{37\times \frac{23}{9}}
Tynnu \frac{121}{9} o 16 i gael \frac{23}{9}.
\sqrt{\frac{851}{9}}
Lluosi 37 a \frac{23}{9} i gael \frac{851}{9}.
\frac{\sqrt{851}}{\sqrt{9}}
Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{851}{9}} fel rhaniad ail israddau \frac{\sqrt{851}}{\sqrt{9}}.
\frac{\sqrt{851}}{3}
Cyfrifo ail isradd 9 a chael 3.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometreg
4 \sin \theta \cos \theta = 2 \sin \theta
Hafaliad llinol
y = 3x + 4
Rhifyddeg
699 * 533
Matrics
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Hafaliad ar y pryd
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Gwahaniaethu
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integreiddiad
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}