Question

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помогитеее
1) n² — (n+1)²>2;
2) (1 – t)² = t² > 3;​

Answer 1

$n {}^{2} - (n + 1) {}^{2} > 2 \ n {}^{2} - n {}^{2} - 2n - 1 > 2 \ - 2n - 1 > 2 \ - 2n > 3 \ n < - frac{3}{2}$

$(1 - t {}^{2} ) = t {}^{2} > 3 \ t {}^{2} - 2t + 1 = t {}^{2} > 3$