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Prove that the following functions are increasing on R.(i) f(x)=3x5 + 40x3 + 240x(ii) fx=4x3-18x2+27x-27

Answer» Prove that the following functions are increasing on R.

(i) f(x)=3x5 + 40x3 + 240x

(ii) fx=4x3-18x2+27x-27


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