Enrhifo
2\sqrt{162413}\approx 806.009925497
Rhannu
Copïo i clipfwrdd
\sqrt{806^{2}+\left(-1-3\right)^{2}}
Tynnu 2 o 808 i gael 806.
\sqrt{649636+\left(-1-3\right)^{2}}
Cyfrifo 806 i bŵer 2 a chael 649636.
\sqrt{649636+\left(-4\right)^{2}}
Tynnu 3 o -1 i gael -4.
\sqrt{649636+16}
Cyfrifo -4 i bŵer 2 a chael 16.
\sqrt{649652}
Adio 649636 a 16 i gael 649652.
2\sqrt{162413}
Ffactora 649652=2^{2}\times 162413. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 162413} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{162413}. Cymryd isradd 2^{2}.
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}