SOLUTION: f(x)=x^4-18x^2+4 Find all the points of inflection. Please help!
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-> SOLUTION: f(x)=x^4-18x^2+4 Find all the points of inflection. Please help!
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Question 56888
:
f(x)=x^4-18x^2+4
Find all the points of inflection.
Please help!
Answer by
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Substitute x^2 for t to obtain: g(t)= t^2 - 18t + 4.
Solve this for t and take the roots to find x.
(