Find interval of function, Mathematics

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Sona 3/29/2013 6:33:44 AM Differentiate the given equation you get e^x(1-x) + (xe^x(1-x))(1-2x) this can be written as (e^x(1-x) )[1+x - 2x^2] this equation is +ve if 1+x - 2x^2) is >0 this equation is positive in (-ve infinity to -1/2)....union ......(1 to +ve infinity)

Sona

3/29/2013 6:33:44 AM

Differentiate the given equation

you get e^x(1-x) + (xe^x(1-x))*(1-2x)

this can be written as (e^x(1-x) )*[1+x - 2x^2]

this equation is +ve if 1+x - 2x^2) is >0

this equation is positive in (-ve infinity to -1/2)....union ......(1 to +ve infinity)

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