Kasr-ratsional ifodalarni ayniy almashtirish
Javoblar ota-onalar va o‘qituvchilar uchun.
1
(a/b + b/a) : ((a² + b²)/(ab)) ni soddalashtiring.
1
2
1/(x - 3) - 6/(x² - 9) ni soddalashtiring.
1/(x + 3)
3
(x/(x - y) - y/(x - y)) · 3 ni soddalashtiring.
3
4
(2/x + 3/x²) · x² ni soddalashtiring.
2x + 3
5
1/a + 1/b = 5 va ab = 2 bo‘lsa, a + b ni toping.
10