Предмет: Алгебра, автор: mansurmuhamethanov

16а3 + 54b3 помогите пожалуйста​

dimadoloban: що це? розкласти на множники треба?
mansurmuhamethanov: да

Ответы

Автор ответа: NNNLLL54
10

16a^3+54b^3=2\cdot (8a^3+27b^3)=2\cdot \Big((2a)^3+(3b)^3\Big)=\\\\=2\cdot (2a+3b)(4a^2-6ab+9b^2)

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