⁴√x+⁴√y=4
√x+√y=10
√x+2*⁴√y*⁴√x +√y - 2*⁴√y*⁴√x =10
(⁴√x+⁴√y)² - 2*⁴√y*⁴√x = 10
16 - 2*⁴√y*⁴√x =10
⁴√y*⁴√x = 3
⁴√y = t > 0
⁴√x = u > 0
u + t = 4
ut = 3
u = 4 - t
(4 - t)t = 3
t² - 4t + 3 = 0
(t - 1)(t - 3) = 0
1. t = 1
u = 4 - t = 3
⁴√y = 1 y = 1
⁴√x = 3 x = 81
2. t = 3
u = 4 - t = 1
⁴√y = 3 y = 81
⁴√x = 1 x = 1
ответ (1;81);(81;1)
⁴√x+⁴√y=4
√x+√y=10
⁴√x+⁴√y=4
√x+2*⁴√y*⁴√x +√y - 2*⁴√y*⁴√x =10
(⁴√x+⁴√y)² - 2*⁴√y*⁴√x = 10
16 - 2*⁴√y*⁴√x =10
⁴√y*⁴√x = 3
⁴√y = t > 0
⁴√x = u > 0
u + t = 4
ut = 3
u = 4 - t
(4 - t)t = 3
t² - 4t + 3 = 0
(t - 1)(t - 3) = 0
1. t = 1
u = 4 - t = 3
⁴√y = 1 y = 1
⁴√x = 3 x = 81
2. t = 3
u = 4 - t = 1
⁴√y = 3 y = 81
⁴√x = 1 x = 1
ответ (1;81);(81;1)