Question

Спростіть вирази:
а)
$12x \times ( -1 \times \frac{1}{4} x {}^{3} y) {}^{2}$
б)

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Answer 1

Решение:

$а)12x \times ( - 1 \times \frac{1}{4} x {}^{3} y) {}^{2} = 12x \times (1 \times \frac{1}{4} x {}^{3} y) {}^{2} = 12x \times ( \frac{1}{4} x {}^{3} y) {}^{2} = 12x \times \frac{1}{16} x {}^{6} y {}^{2} = 3x \times \frac{1}{4} x {}^{6} y {}^{2} = \frac{3}{4} x {}^{7} y {}^{2}$