Baholash
k+2
Kengaytirish
k+2
Viktorina
Polynomial
5xshash muammolar:
[ ( 2 k ^ { 2 } + 11 k + 15 ) : ( k + 3 ) + 3 - k ^ { 2 } ] : ( 4 - k )
Baham ko'rish
Klipbordga nusxa olish
\frac{\frac{\left(k+3\right)\left(2k+5\right)}{k+3}+3-k^{2}}{4-k}
\frac{2k^{2}+11k+15}{k+3} ichida hali faktorlanmagan ifodalarni faktorlang.
\frac{2k+5+3-k^{2}}{4-k}
Surat va maxrajdagi ikkala k+3 ni qisqartiring.
\frac{2k+8-k^{2}}{4-k}
8 olish uchun 5 va 3'ni qo'shing.
\frac{\left(k-4\right)\left(-k-2\right)}{-k+4}
Hali faktorlanmagan ifodalarni faktorlang.
\frac{-\left(-k-2\right)\left(-k+4\right)}{-k+4}
-4+k mislodagi manfiy ishorani chiqarib tashlang.
-\left(-k-2\right)
Surat va maxrajdagi ikkala -k+4 ni qisqartiring.
k+2
Ifodani kengaytiring.
\frac{\frac{\left(k+3\right)\left(2k+5\right)}{k+3}+3-k^{2}}{4-k}
\frac{2k^{2}+11k+15}{k+3} ichida hali faktorlanmagan ifodalarni faktorlang.
\frac{2k+5+3-k^{2}}{4-k}
Surat va maxrajdagi ikkala k+3 ni qisqartiring.
\frac{2k+8-k^{2}}{4-k}
8 olish uchun 5 va 3'ni qo'shing.
\frac{\left(k-4\right)\left(-k-2\right)}{-k+4}
Hali faktorlanmagan ifodalarni faktorlang.
\frac{-\left(-k-2\right)\left(-k+4\right)}{-k+4}
-4+k mislodagi manfiy ishorani chiqarib tashlang.
-\left(-k-2\right)
Surat va maxrajdagi ikkala -k+4 ni qisqartiring.
k+2
Ifodani kengaytiring.
Misollar
Ikkilik tenglama
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometriya
4 \sin \theta \cos \theta = 2 \sin \theta
Chiziqli tenglama
y = 3x + 4
Arifmetik
699 * 533
Matritsa
\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]
Simli tenglama
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differensatsiya
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Oʻngga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Chegaralar
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}