(p+q)^3 =p₃+3p²q+3pq²+q³ (x-2)^3 =x³-3·4x+3·2x²-8= x³-12x+36x²-8 (c-d)^3=c³-3c²d+3cd²-d³(3-b)^3=27-27b+9b²-b³(c-3d)^3=c³-9c²d+27cd²-27d³
2)predstav'te mnogochlen v vide kuba summy ili raznosti dvuh vyrazhenii:27-27b+9b^2-b^3=(3-b)³8+12x+6x^2+x^3=(2+x)³m^3/27 - m^2n+9mn^2-27n^3=(m/3-3n)³
(p+q)^3 =p₃+3p²q+3pq²+q³
(x-2)^3 =x³-3·4x+3·2x²-8= x³-12x+36x²-8
(c-d)^3=c³-3c²d+3cd²-d³
(3-b)^3=27-27b+9b²-b³
(c-3d)^3=c³-9c²d+27cd²-27d³
2)predstav'te mnogochlen v vide kuba summy ili raznosti dvuh vyrazhenii:
27-27b+9b^2-b^3=(3-b)³
8+12x+6x^2+x^3=(2+x)³
m^3/27 - m^2n+9mn^2-27n^3=(m/3-3n)³