(2 + 3k²)(-2 + 3k²)(9k⁴ + 4) = (3k² + 2)(3k² - 2)(9k⁴ + 4) = (9k⁴ - 4)(9k⁴ + 4) =
= (9k⁴)² - 4² = 81k⁸ - 16
Объяснение:
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(2 + 3k²)(-2 + 3k²)(9k⁴ + 4) = (3k² + 2)(3k² - 2)(9k⁴ + 4) = (9k⁴ - 4)(9k⁴ + 4) =
= (9k⁴)² - 4² = 81k⁸ - 16
Объяснение:
.......................