molinaj10 molinaj10
  • 12-12-2018
  • Mathematics
contestada

What is the coefficient of abc when the product (a + 2b)(b + 2c)(c + 2a) is expanded and
like terms are combined? Please help

Respuesta :

danielferreyra12
danielferreyra12 danielferreyra12
  • 12-12-2018

Answer:

The coefficient is 9

Step-by-step explanation:

(a)(b)(c)+(a)(2c)(2a)+(2b)(b)(c)+(2b)(2c)(2a)

abc+4ca^2+2cb^2+8abc

9abc+4ca^2+2cb^2

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