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Prove that the following functions do no...

Prove that the following functions do not have maxima or minima.
`2x^3 + 3x^2 + 6 x + 1`

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PRADEEP PUBLICATION-APPLICATIONS OF DERIVATIVES-EXERCISE
  1. Determine the point of maximum of f(x) = sin x + cos x in 0 le x le pi...

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  2. Prove that the following functions do not have maxima or minima. e^(...

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  3. Prove that the following functions do not have maxima or minima. 2x^...

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  4. Prove that the following functions do not have maxima or minima. 4x^...

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  5. Prove that the following functions do not have maxima or minima. log...

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  6. Find the (absolute) maximum and minimum values of the following functi...

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  7. Find the (absolute) maximum and minimum values of the following functi...

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  8. Find the (absolute) maximum and minimum values of the following functi...

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  9. Find the (absolute) maximum and minimum values of the following functi...

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  10. Find the (absolute) maximum and minimum values of the following functi...

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  11. Find the absolute maximum value and the absolute minimum value of the ...

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  12. At what points in the interval [0,2pi], does the function sin 2x attai...

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  13. At what point, the slope of the crve : y=-x^3 + 3x^2 +9x-27 is maximum...

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  14. What is the maximum value of the function sinx + cosx?

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  15. Prove that f(x) = sin x + sqrt3 cos x has maximum value at x = pi//6

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  16. Find the points of local maxima and minima (if any) of each of the fol...

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  17. Find the points of local maxima and minima (if any) of each of the fol...

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  18. Find the points of local maxima and minima (if any) of each of the fol...

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  19. Find the points of local maxima and minima (if any) of each of the fol...

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  20. Find the points of local maxima and minima (if any) of each of the fol...

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