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Home » Prove that the following functions do not have maxima or minima:(iii) h (x) = x^ 3 + x^ 2 + x +1
Prove that the following functions do not have maxima or minima:(iii) h (x) = x^ 3 + x^ 2 + x +1
Applications of Derivatives | CBSE | Class 12 | Exercise 6.5 | Maths | NCERT
Prove that the following functions do not have maxima or minima:(iii) h (x) = x^ 3 + x^ 2 + x +1

(iii) Given:  

 

Now 

 

 

= 

= 

Here, values of  are imaginary.

   does not have maxima or minima.

i

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