Q. 115.0( 1 Vote )

Mark the correct A. x ϵR – [0, 2]

B. 0 < x < 2

C. 2 < x < ∞

D. x < 0

Answer :

f(x) = x2 e-x


=xe-x(2-x)=f’(x)


for


f’(x)=0


x2 e-x=0


x(2-x)=0


x=2,x=0


f(x) is increasing in (0,2)

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