Ответ:
(4; -1/2)
Объяснение:
log2(x)=t
4^(-y)=s
{t+s=4
{t*s=4 s=t=2
4^(-y)=2 y=-1/2
log2(x)=2
x=4
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Ответ:
(4; -1/2)
Объяснение:
log2(x)=t
4^(-y)=s
{t+s=4
{t*s=4 s=t=2
4^(-y)=2 y=-1/2
log2(x)=2
x=4