August 2022 1 8 Report
Пожалуйста помогите. Решите системы логарифмических уравнений:
1) [tex] \left \{ {{lgx+lg2= lg y} \atop {3x-2y=-2}} \right. [/tex]
2) [tex] \left \{ {{ log_{2}(x+y) + log_{2}( x^{2}-xy+ y) =1 } \atop {x-y=0}} \right. [/tex]
3) [tex] \left \{ {{ ( \frac{2}{3}) ^{2x-y}- \frac{4}{9}=0 } \atop {lg(3x-y)-4lg2=0}} \right. [/tex]
4) [tex] \left \{ {{ \frac{1}{x}- \frac{1}{y}= \frac{2}{15} } \atop { log_{3}x+ log_{3}y=1+ log_{3} 5 }} \right. [/tex]
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