Помогите решить уравнения: 1) ( 2/3)ˣ ( 9/16)ˣ = 3/8 2) (3/5)ˣ (10/15)ˣ =2/5

Question

Помогите решить уравнения:
1) ( 2/3)ˣ ( 9/16)ˣ = 3/8
2) (3/5)ˣ (10/15)ˣ =2/5

Answer 1

1)
(2/3)^x (9/16)^x = 3/8
(2*9/(3*16))^x = 3/8
(3/8)^x = 3/8
x=1
2)
(3/5)^x (10/15)^x = 2/5
(3*18/(5*15))^x = 2/5
(2/5)^x = 2/5
x=1