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Category: mathematicsmathematics

Решите неравенства

1.

Решите неравенства
1. log x x 2 log x x 2 0
x 6
2. log 0, 25 x 2
1
4
10 x 25 2 x 2 5 x 50
3.
0
5x x 2 4
1
4. log x 7 x 2 4
log x 7 x 2 1
log x x 7
5. 4 x
2
x 6
1 log 1 4 x
4
2
2 x 2
3 0
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