Помогите решить
√x =2
√x = 25
4√y = 12
7√y = 0
7√x = 2
11√x = 10

√x =2
x=4

√x = 25
x=625

4√y = 12
√y=3
y=9

7√y = 0
√y=0
y=0

7√x = 2
√x=2/7
x=4/49

11√x = 10
√x=10/11
x=100/121