Baholash
2\left(a+1\right)
Kengaytirish
2a+2
Baham ko'rish
Klipbordga nusxa olish
\frac{\frac{a+2}{a-1}\times \frac{2a\left(a-2\right)}{\left(a-2\right)\left(a+2\right)}}{\frac{a}{a^{2}-1}}
\frac{2a^{2}-4a}{a^{2}-4} ichida hali faktorlanmagan ifodalarni faktorlang.
\frac{\frac{a+2}{a-1}\times \frac{2a}{a+2}}{\frac{a}{a^{2}-1}}
Surat va maxrajdagi ikkala a-2 ni qisqartiring.
\frac{\frac{\left(a+2\right)\times 2a}{\left(a-1\right)\left(a+2\right)}}{\frac{a}{a^{2}-1}}
Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{a+2}{a-1} ni \frac{2a}{a+2} ga ko‘paytiring.
\frac{\frac{2a}{a-1}}{\frac{a}{a^{2}-1}}
Surat va maxrajdagi ikkala a+2 ni qisqartiring.
\frac{2a\left(a^{2}-1\right)}{\left(a-1\right)a}
\frac{2a}{a-1} ni \frac{a}{a^{2}-1} ga bo'lish \frac{2a}{a-1} ga k'paytirish \frac{a}{a^{2}-1} ga qaytarish.
\frac{2\left(a^{2}-1\right)}{a-1}
Surat va maxrajdagi ikkala a ni qisqartiring.
\frac{2\left(a-1\right)\left(a+1\right)}{a-1}
Hali faktorlanmagan ifodalarni faktorlang.
2\left(a+1\right)
Surat va maxrajdagi ikkala a-1 ni qisqartiring.
2a+2
Ifodani kengaytiring.
\frac{\frac{a+2}{a-1}\times \frac{2a\left(a-2\right)}{\left(a-2\right)\left(a+2\right)}}{\frac{a}{a^{2}-1}}
\frac{2a^{2}-4a}{a^{2}-4} ichida hali faktorlanmagan ifodalarni faktorlang.
\frac{\frac{a+2}{a-1}\times \frac{2a}{a+2}}{\frac{a}{a^{2}-1}}
Surat va maxrajdagi ikkala a-2 ni qisqartiring.
\frac{\frac{\left(a+2\right)\times 2a}{\left(a-1\right)\left(a+2\right)}}{\frac{a}{a^{2}-1}}
Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{a+2}{a-1} ni \frac{2a}{a+2} ga ko‘paytiring.
\frac{\frac{2a}{a-1}}{\frac{a}{a^{2}-1}}
Surat va maxrajdagi ikkala a+2 ni qisqartiring.
\frac{2a\left(a^{2}-1\right)}{\left(a-1\right)a}
\frac{2a}{a-1} ni \frac{a}{a^{2}-1} ga bo'lish \frac{2a}{a-1} ga k'paytirish \frac{a}{a^{2}-1} ga qaytarish.
\frac{2\left(a^{2}-1\right)}{a-1}
Surat va maxrajdagi ikkala a ni qisqartiring.
\frac{2\left(a-1\right)\left(a+1\right)}{a-1}
Hali faktorlanmagan ifodalarni faktorlang.
2\left(a+1\right)
Surat va maxrajdagi ikkala a-1 ni qisqartiring.
2a+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}