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What is (f⋅g)(x)?

Hev123  Apr 22, 2018
 #1
avatar+88899 
+1

(f * g) (x)  =

 

f(x) * g(x)  =

 

[ x^3  - 4x  + 2  ] * [ x^2 + 2 ] =

 

x^2 [ x^3 - 4x + 2]  +  2 [ x^3 - 4x + 2  ]  =

 

x^5 - 4x^3 + 2x^2  + 2x^3 - 8x + 4       combine like terms

 

x^5 - 2x^3 + 2x^2 - 8x + 4

 

 

cool cool cool

CPhill  Apr 22, 2018

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