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  • 07-11-2017
  • Mathematics
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what is the coefficient of x^2 in the expansion of (x+2)^3

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dannielle
dannielle dannielle
  • 07-11-2017
(x+2)^3=x^3+2^3+3*x^2*2+3x*2^2=x^3+8+6x^2+12x

The coeficient of the x^2 is 6.
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