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OpenStudy (anonymous):
zeros of x^5-4x^3+4x. I know there are five.
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OpenStudy (anonymous):
Yes, first should be easy when you realize that there is an x in all the terms.
OpenStudy (anonymous):
Then the equation will resolve to finding all four zeros in x^4 - 4x^2 + 4
OpenStudy (anonymous):
Hint: substitute n=x^2 in my resulting equation and you will have a quadratic that is easy to solve.
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