(m+n)^3 (m-n)^3 (x-1)^3 (2+k)^3 (2m-3n)^3 (5a+2b)^3 - вопрос №5086673331323233523323 от a18441 24.05.2021 11:20

Question

Алгебра: (m+n)^3 (m-n)^3 (x-1)^3 (2+k)^3 (2m-3n)^3 (5a+2b)^3 (3x+y^2)^3

a18441 · Answer

(m+n)³=m³+3m²n+3mn²+n³(m-n)³=m³-3m²n+3mn²-n³(x-1)³=x³-3x²+3x-1(2+k)³=8+12k+6k²+k³(2m-3n)³=8m³-36m²n+54mn²-27n³(5a+2b)³=125a³+150a²b+60ab²+8b³(3x+y²)³=27x³+27x²y²+9xy⁴+y⁶...