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Mathematics - Application of Derivative Question with Solution | TestHub

MathematicsApplication of DerivativeMaxima-MinimaMedium2 minPYQ_2019
MathematicsMediumsingle choice

Letf(x)=5-|x-2|andgx=x+1,x  R.Iff(x)attains maximum value atαandg(x)attains minimum value atβ,thenlimx-αβx-1x2-5x+6x2-6x+8is equal to

Options:

Answer:
B
Solution:

Maxima of fx will occur at x=2 i.e., α=2

Minima of g(x) will occur at x=-1 i.e. β=-1

limx2(x-1)(x-2)(x-3)(x-2)(x-4)=12.

Stream:JEESubject:MathematicsTopic:Application of DerivativeSubtopic:Maxima-Minima
2mℹ️ Source: PYQ_2019

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