Автор - NikiReyKim2405

Решите неравенства 32.18

Ответ

Автор - rina2403k

1)n {}^{2}  - (n {}^{2}  + 2n + 1) > 2 \ n { }^{2}  - n {}^{2}  - 2n - 1 > 2 \  - 2n - 1 > 2 \  - 2n > 2 + 1 \  - 2n > 3 \ n  <  -  frac{3}{2}  \ 2)1 - 2t + t {}^{2}  - t {}^{2}  > 3 \ 1 - 2t > 3 \  - 2t > 3 - 1 \  - 2t > 2 \ t <  - 1 \ 3)m {}^{2}  - 4m + 4 - 41 < m {}^{2}  \  - 4m + 4 - 41 < 0 \  - 4m - 37 < 0 \  - 4m < 37 \ m >  -  frac{37}{4}  \ 4)m {}^{2}  + 9 < 1 - 2m + m {}^{2}  \ 9 < 1 - 2m \ 2m < 1 - 9 \ 2m <  - 8 \ m <  - 4

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