Question

Решите систему уравнений

Answer 1

log₆(xy)=2

x=y-5

 

log₆((y²-5y))=log₆36

y²-5y-36=0

y₁=(5+13)/2=9

y₂=(5-13)/2=-4

 

y₁=9

x₁=4

 

y₂=-4

x₂=-9