3 years ago

What is the multiplicity of the root 2 in the equation x^3-8x^2+20x-16=0?

1 answer:

mote1985 [20]3 years ago

8 0

Factoring the cubic you get: <span>(x - 2)^2 (x-4) , so we know the multiplicity is the amount of times a root shows in an equation because the equation (x-2) has a exponent of 2 that means the root 2 has a multiplicity of 2.</span>
Answer: 2

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