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Asked by Brittany

find all the real zeros and multiplicity of
f(x)=x^4-68x^2+256
12 years ago

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Answered by Reiny
x^4 - 68x^2 + 256 = 0
(x^2-64)(x^2-4) = 0
x = ± 8 or x = ± 2

take it from there
12 years ago
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find all the real zeros and multiplicity of
f(x)=x^4-68x^2+256

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