x⁴=(3x-10)²
x⁴=9x²-60x+100
x⁴-9x²+60x-100=0
x₁=2
x⁴-9x²+60x-100 I_x-2
x⁴-2x³ I x³+2x²-5x+50
2x³-9x²
2x³-4x²
-5x²+60x
-5x²+10x
50x-100
50x-100
0
x³+2x²-5x+50=0
x₂=-5
x³+2x²-5x+50 I_ x+5
x³+5x² I x²-3x+10
-3x²-5x
-3x²-15x
10x+50
10x+50
0
x²-3x+10=0 D=-31 ⇒
Уравнение действительных корней не имеет.
ответ: х₁=2 х₂=-5.
Объяснение:
Удачи!!!
In the evenings into the city and go clubbing or see a movie. a lot of new friends. my pronunciation is much better already, and almost everything. On weekdays Liam. At the moment on their new website and help with it. some useful stuff about how people business in this country.
to see me? the winter holiday skiing with Ryan and Liam. to meet you and there’s plenty of space. You must bring lots of warm clothes because really cold here in the winter. Let me know as soon as . And tell me what these days.
х+у+z=99
Наименьшие квадраты чисел равны 33^2 (99÷3=33)
Поэтому наименьшая сумма квадратов будет равна 33^2+33^2+33^2=3267