The maximum value of the function defined by f(x)=min(ex,2+e2−x,8) is α then integral value of x satisfying the inequality x(x−[α])x2−[α]x+12<0, where [α] is greater integer function of α , is
A
1
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B
3
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C
5
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D
6
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Solution
The correct options are A 1 C 5 D 6 f(x)−min(ex,2+e2−x,8) From graph, maximum value of f(x)is,e2 ∴[e2]=7 x(x−7)x2−7x+12<0⇒x(x−7)(x−3)(x−4)<0