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[" 83.If the function f given by "f(x)=x...

[" 83.If the function f given by "f(x)=x^(3)-3(a-2)x^(2)+3ax+7" ,for some a "epsilon R" is increasing in "(0,],[1)" and decreasing in "[1,5)," then a root of the equation,"(f(x)-14)/((x-1)^(2))=0(x!=1)" is: "],[[" (A) "-7," (B) "5],[" (C) "7," (D) "6]]

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