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Let f(x)=2x^(3)-3(a+b)x^(2)+6abx. If a ...

Let `f(x)=2x^(3)-3(a+b)x^(2)+6abx`. If ` a gt b` , determine the local maximum / minimum points of f(x). If a=b, how will the answer change ?

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b is local maxima
a is local minima
at x=a=b
neither minima nor maxima
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