Baholash
-\frac{3a-7}{2-5a}
Kengaytirish
-\frac{3a-7}{2-5a}
Viktorina
Polynomial
5xshash muammolar:
\frac { 3 - \frac { 4 } { a - 1 } } { 5 - \frac { 3 } { 1 - a } }
Baham ko'rish
Klipbordga nusxa olish
\frac{\frac{3\left(a-1\right)}{a-1}-\frac{4}{a-1}}{5-\frac{3}{1-a}}
Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. 3 ni \frac{a-1}{a-1} marotabaga ko'paytirish.
\frac{\frac{3\left(a-1\right)-4}{a-1}}{5-\frac{3}{1-a}}
\frac{3\left(a-1\right)}{a-1} va \frac{4}{a-1} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
\frac{\frac{3a-3-4}{a-1}}{5-\frac{3}{1-a}}
3\left(a-1\right)-4 ichidagi ko‘paytirishlarni bajaring.
\frac{\frac{3a-7}{a-1}}{5-\frac{3}{1-a}}
3a-3-4 kabi iboralarga o‘xshab birlashtiring.
\frac{\frac{3a-7}{a-1}}{\frac{5\left(1-a\right)}{1-a}-\frac{3}{1-a}}
Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. 5 ni \frac{1-a}{1-a} marotabaga ko'paytirish.
\frac{\frac{3a-7}{a-1}}{\frac{5\left(1-a\right)-3}{1-a}}
\frac{5\left(1-a\right)}{1-a} va \frac{3}{1-a} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
\frac{\frac{3a-7}{a-1}}{\frac{5-5a-3}{1-a}}
5\left(1-a\right)-3 ichidagi ko‘paytirishlarni bajaring.
\frac{\frac{3a-7}{a-1}}{\frac{2-5a}{1-a}}
5-5a-3 kabi iboralarga o‘xshab birlashtiring.
\frac{\left(3a-7\right)\left(1-a\right)}{\left(a-1\right)\left(2-5a\right)}
\frac{3a-7}{a-1} ni \frac{2-5a}{1-a} ga bo'lish \frac{3a-7}{a-1} ga k'paytirish \frac{2-5a}{1-a} ga qaytarish.
\frac{-\left(a-1\right)\left(3a-7\right)}{\left(a-1\right)\left(-5a+2\right)}
1-a mislodagi manfiy ishorani chiqarib tashlang.
\frac{-\left(3a-7\right)}{-5a+2}
Surat va maxrajdagi ikkala a-1 ni qisqartiring.
\frac{-3a-\left(-7\right)}{-5a+2}
3a-7 teskarisini topish uchun har birining teskarisini toping.
\frac{-3a+7}{-5a+2}
-7 ning teskarisi 7 ga teng.
\frac{\frac{3\left(a-1\right)}{a-1}-\frac{4}{a-1}}{5-\frac{3}{1-a}}
Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. 3 ni \frac{a-1}{a-1} marotabaga ko'paytirish.
\frac{\frac{3\left(a-1\right)-4}{a-1}}{5-\frac{3}{1-a}}
\frac{3\left(a-1\right)}{a-1} va \frac{4}{a-1} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
\frac{\frac{3a-3-4}{a-1}}{5-\frac{3}{1-a}}
3\left(a-1\right)-4 ichidagi ko‘paytirishlarni bajaring.
\frac{\frac{3a-7}{a-1}}{5-\frac{3}{1-a}}
3a-3-4 kabi iboralarga o‘xshab birlashtiring.
\frac{\frac{3a-7}{a-1}}{\frac{5\left(1-a\right)}{1-a}-\frac{3}{1-a}}
Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. 5 ni \frac{1-a}{1-a} marotabaga ko'paytirish.
\frac{\frac{3a-7}{a-1}}{\frac{5\left(1-a\right)-3}{1-a}}
\frac{5\left(1-a\right)}{1-a} va \frac{3}{1-a} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
\frac{\frac{3a-7}{a-1}}{\frac{5-5a-3}{1-a}}
5\left(1-a\right)-3 ichidagi ko‘paytirishlarni bajaring.
\frac{\frac{3a-7}{a-1}}{\frac{2-5a}{1-a}}
5-5a-3 kabi iboralarga o‘xshab birlashtiring.
\frac{\left(3a-7\right)\left(1-a\right)}{\left(a-1\right)\left(2-5a\right)}
\frac{3a-7}{a-1} ni \frac{2-5a}{1-a} ga bo'lish \frac{3a-7}{a-1} ga k'paytirish \frac{2-5a}{1-a} ga qaytarish.
\frac{-\left(a-1\right)\left(3a-7\right)}{\left(a-1\right)\left(-5a+2\right)}
1-a mislodagi manfiy ishorani chiqarib tashlang.
\frac{-\left(3a-7\right)}{-5a+2}
Surat va maxrajdagi ikkala a-1 ni qisqartiring.
\frac{-3a-\left(-7\right)}{-5a+2}
3a-7 teskarisini topish uchun har birining teskarisini toping.
\frac{-3a+7}{-5a+2}
-7 ning teskarisi 7 ga teng.
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}