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(x+3)⁴=x⁴+4x³*3+6x²*3²+4x*3³+3⁴=
x⁴+12x³+54x²+108x+81
pozdrawiam
Hans
(x+3)^4 = x^4 + 4x^3*3 + 6x^2*3^2 + 4x*3^3+3^4
x^4 + 12x^3 + 54x^2 + 108x + 81