Question

Dane są wielomiany p(x)=3(x)do3 -2xdo 2 +x+4 w(x) 4x+1 q(x)=4x do 2 +2x + 5 UPORZĄDKUJ WIELOMIANY a) 3razy W(x)-24(x)+p(x)= b)W(x)razy Q(x)=

Answer 1

P(x) = 3 x^3 - 2 x^2 + x + 4

W(x) = 4 x + 1

Q(x) = 4 x^2 + 2 x + 5

a)

3 W(x) - 24 x + P( x) = 3*[ 4x + 1]  - 24 x +  3 x^3 - 2 x^2 + x + 4 =

= 12 x + 3  - 24 x + 3 x^3 - 2 x^2 + x + 4 =

= 3 x^3 -2 x^2 - 11 x + 7

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b)

W(x) * Q(x) = ( 4 x + 1)*(4 x^2 + 2 x + 5) = 16 x^3 + 8 x^2 + 20 x + 4 x^2 + 2 x + 5 =

= 16 x^3 + 12 x^2 + 22 x + 5

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