(3/1+a-1)*(3/2-a-1) eching

$$( \frac { 3 } { 1 + a } - 1 ) \cdot ( \frac { 3 } { 2 - a } - 1 )$$

Baholash

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Qisqa yechim qadamlari

Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. 1 ni \frac{1+a}{1+a} marotabaga ko'paytirish.

$$\left(\frac{3}{1+a}-\frac{1+a}{1+a}\right)\left(\frac{3}{2-a}-1\right)$$

\frac{3}{1+a} va \frac{1+a}{1+a} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{3-\left(1+a\right)}{1+a}\left(\frac{3}{2-a}-1\right)$$

3-\left(1+a\right) ichidagi ko‘paytirishlarni bajaring.

$$\frac{3-1-a}{1+a}\left(\frac{3}{2-a}-1\right)$$

3-1-a kabi iboralarga o‘xshab birlashtiring.

$$\frac{2-a}{1+a}\left(\frac{3}{2-a}-1\right)$$

Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. 1 ni \frac{2-a}{2-a} marotabaga ko'paytirish.

$$\frac{2-a}{1+a}\left(\frac{3}{2-a}-\frac{2-a}{2-a}\right)$$

\frac{3}{2-a} va \frac{2-a}{2-a} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{2-a}{1+a}\times \frac{3-\left(2-a\right)}{2-a}$$

3-\left(2-a\right) ichidagi ko‘paytirishlarni bajaring.

$$\frac{2-a}{1+a}\times \frac{3-2+a}{2-a}$$

3-2+a kabi iboralarga o‘xshab birlashtiring.

$$\frac{2-a}{1+a}\times \frac{1+a}{2-a}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{2-a}{1+a} ni \frac{1+a}{2-a} ga ko‘paytiring.

$$\frac{\left(2-a\right)\left(1+a\right)}{\left(1+a\right)\left(2-a\right)}$$

Surat va maxrajdagi ikkala \left(a+1\right)\left(-a+2\right) ni qisqartiring.

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Omil

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