Question

Помогите прошу. Даю 20 баллов

Answer 1

$(\frac{7}{8} - \frac{1}{8} u {}^{6}) {}^{2} \\ \\ ( \frac{7}{8} ) {}^{2} - 2 \times \frac{7}{8} \times \frac{1}{8} \times u {}^{6} + ( \frac{1}{8} u {}^{6} ) {}^{2} \\ \\ \frac{49}{64} - \frac{7}{32}u {}^{6} + \frac{1}{64} u { }^{12}$

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