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Prove that the following functions do not have maxima or minima h(x)=x^3+x^2+x+1

Answer»

SOLUTION :`h(x)=3x^2+2x+1ne0` for any REAL x `therefore` The discreminant of `3x^2+2x+1=0` is `4-4xx3xx1=-8lt0)thereforeh(x)` does.t have MAXIMA or MINIMA


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