Enrhifo
\frac{2500}{\pi ^{2}}\approx 253.302959106
Ehangu
\frac{2500}{\pi ^ {2}} = 253.30295910584445
Rhannu
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\frac{100^{2}}{\left(2\pi \right)^{2}}
I godi \frac{100}{2\pi } i bŵer, codwch y rhifiadur a'r enwadur i bŵer ac yna rhannwch nhw.
\frac{10000}{\left(2\pi \right)^{2}}
Cyfrifo 100 i bŵer 2 a chael 10000.
\frac{10000}{2^{2}\pi ^{2}}
Ehangu \left(2\pi \right)^{2}.
\frac{10000}{4\pi ^{2}}
Cyfrifo 2 i bŵer 2 a chael 4.
\frac{100^{2}}{\left(2\pi \right)^{2}}
I godi \frac{100}{2\pi } i bŵer, codwch y rhifiadur a'r enwadur i bŵer ac yna rhannwch nhw.
\frac{10000}{\left(2\pi \right)^{2}}
Cyfrifo 100 i bŵer 2 a chael 10000.
\frac{10000}{2^{2}\pi ^{2}}
Ehangu \left(2\pi \right)^{2}.
\frac{10000}{4\pi ^{2}}
Cyfrifo 2 i bŵer 2 a chael 4.
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}