Baholash
-\frac{a+2}{a-2}
Kengaytirish
-\frac{a+2}{a-2}
Baham ko'rish
Klipbordga nusxa olish
\frac{\frac{3}{a+1}+\frac{\left(-a+1\right)\left(a+1\right)}{a+1}}{\frac{a^{2}-4a+4}{a+1}}
Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. -a+1 ni \frac{a+1}{a+1} marotabaga ko'paytirish.
\frac{\frac{3+\left(-a+1\right)\left(a+1\right)}{a+1}}{\frac{a^{2}-4a+4}{a+1}}
\frac{3}{a+1} va \frac{\left(-a+1\right)\left(a+1\right)}{a+1} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.
\frac{\frac{3-a^{2}-a+a+1}{a+1}}{\frac{a^{2}-4a+4}{a+1}}
3+\left(-a+1\right)\left(a+1\right) ichidagi ko‘paytirishlarni bajaring.
\frac{\frac{4-a^{2}}{a+1}}{\frac{a^{2}-4a+4}{a+1}}
3-a^{2}-a+a+1 kabi iboralarga o‘xshab birlashtiring.
\frac{\left(4-a^{2}\right)\left(a+1\right)}{\left(a+1\right)\left(a^{2}-4a+4\right)}
\frac{4-a^{2}}{a+1} ni \frac{a^{2}-4a+4}{a+1} ga bo'lish \frac{4-a^{2}}{a+1} ga k'paytirish \frac{a^{2}-4a+4}{a+1} ga qaytarish.
\frac{-a^{2}+4}{a^{2}-4a+4}
Surat va maxrajdagi ikkala a+1 ni qisqartiring.
\frac{\left(a-2\right)\left(-a-2\right)}{\left(a-2\right)^{2}}
Hali faktorlanmagan ifodalarni faktorlang.
\frac{-a-2}{a-2}
Surat va maxrajdagi ikkala a-2 ni qisqartiring.
\frac{\frac{3}{a+1}+\frac{\left(-a+1\right)\left(a+1\right)}{a+1}}{\frac{a^{2}-4a+4}{a+1}}
Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. -a+1 ni \frac{a+1}{a+1} marotabaga ko'paytirish.
\frac{\frac{3+\left(-a+1\right)\left(a+1\right)}{a+1}}{\frac{a^{2}-4a+4}{a+1}}
\frac{3}{a+1} va \frac{\left(-a+1\right)\left(a+1\right)}{a+1} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.
\frac{\frac{3-a^{2}-a+a+1}{a+1}}{\frac{a^{2}-4a+4}{a+1}}
3+\left(-a+1\right)\left(a+1\right) ichidagi ko‘paytirishlarni bajaring.
\frac{\frac{4-a^{2}}{a+1}}{\frac{a^{2}-4a+4}{a+1}}
3-a^{2}-a+a+1 kabi iboralarga o‘xshab birlashtiring.
\frac{\left(4-a^{2}\right)\left(a+1\right)}{\left(a+1\right)\left(a^{2}-4a+4\right)}
\frac{4-a^{2}}{a+1} ni \frac{a^{2}-4a+4}{a+1} ga bo'lish \frac{4-a^{2}}{a+1} ga k'paytirish \frac{a^{2}-4a+4}{a+1} ga qaytarish.
\frac{-a^{2}+4}{a^{2}-4a+4}
Surat va maxrajdagi ikkala a+1 ni qisqartiring.
\frac{\left(a-2\right)\left(-a-2\right)}{\left(a-2\right)^{2}}
Hali faktorlanmagan ifodalarni faktorlang.
\frac{-a-2}{a-2}
Surat va maxrajdagi ikkala a-2 ni qisqartiring.
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}