х = 0
Объяснение:
8*81ˣ+9*64ˣ=17*72ˣ
8* 9²ˣ + 9*8²ˣ = (8+9)*8ˣ*9ˣ
8 * (9/8)ˣ + 9*(8/9)ˣ = 8+9
(9/8)ˣ = (8/9)ˣ = 1
x = 0
х = 0
Объяснение:
8*81ˣ+9*64ˣ=17*72ˣ
8* 9²ˣ + 9*8²ˣ = (8+9)*8ˣ*9ˣ
8 * (9/8)ˣ + 9*(8/9)ˣ = 8+9
(9/8)ˣ = (8/9)ˣ = 1
x = 0