cdemay
cdemay
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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