Nilaikan
\frac{\left(a-2b+4\right)^{2}}{16}
Kembangkan
-\frac{ab}{4}+\frac{a^{2}}{16}+\frac{b^{2}}{4}+\frac{a}{2}-b+1
Kongsi
Disalin ke papan klip
\frac{1}{16}a^{2}-\frac{1}{4}ab+\frac{1}{2}a+\frac{1}{4}b^{2}-b+1
Kuasa dua \frac{1}{4}a-\frac{1}{2}b+1.
\frac{1}{16}a^{2}-\frac{1}{4}ab+\frac{1}{2}a+\frac{1}{4}b^{2}-b+1
Kuasa dua \frac{1}{4}a-\frac{1}{2}b+1.
Contoh
Persamaan kuadratik
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometri
4 \sin \theta \cos \theta = 2 \sin \theta
Persamaan linear
y = 3x + 4
Aritmetik
699 * 533
Matriks
\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]
Persamaan serentak
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Pembezaan
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Pengamiran
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Had
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}