Question

1/x-1+2/x больше 1/x+1

Answer 1

1/x–1 + 2/x > 1/x+1
1/x–1 + 2/x – 1/x–1 > 0
1/x + 2/x – 1/x – 2 > 0
2/х > 2
1/х > 1
х < 1
х≠0

Ответ: х € (-∞ ; 0 )U(0 ; 1)