Question

wyznacz iloczyn a) w(x) = (x-1)(1-x+x²)=

b) w(x)= (1-x)(2x²-x+3)=

c w(x) = (1-x²)(1-x²+4x³)=

Answer 1

a)2x-2x²+x³-1

b)3x²-4x+3-2x³

c)1-2x²+4x³+x^{4}-4x^{5}