- 3 ^ { 2 } \quad \text { II } 4.7 ^ { 2 } - 3 ^ { 4 } : 9
Enrhifo
-\frac{19881I^{2}}{100}-9
Ffactor
-\frac{9\left(2209I^{2}+100\right)}{100}
Rhannu
Copïo i clipfwrdd
\left(-3^{2}\right)I^{2}\times 4.7^{2}-\frac{3^{4}}{9}
Lluosi I a I i gael I^{2}.
-9I^{2}\times 4.7^{2}-\frac{3^{4}}{9}
Cyfrifo 3 i bŵer 2 a chael 9.
-9I^{2}\times 22.09-\frac{3^{4}}{9}
Cyfrifo 4.7 i bŵer 2 a chael 22.09.
-198.81I^{2}-\frac{3^{4}}{9}
Lluosi -9 a 22.09 i gael -198.81.
-198.81I^{2}-\frac{81}{9}
Cyfrifo 3 i bŵer 4 a chael 81.
-198.81I^{2}-9
Rhannu 81 â 9 i gael 9.
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}