22-05-2017
Mathematics

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Multiplicity of x^3+3x^2+3x+1=0

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Аноним Аноним

22-05-2017

if x = -1 this gives -1 + 3 - 3 + 1 = 0

so x = -1 is one root

if we divide the expression by (x + 1) we get the quotient x^2+2x+1
which factors to (x+1)(x+1)

so the multiplicity is 3

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