find the maxima and minima of the function : `f(x)=sin2x+5`

Find the local maxima and minima of the function f(x)=2x^(3)-21x^(2)+36x-20 .

Find the points of maxima and minima of the function f(x)=sin2x+2cos x,x in[0,2] Also comment about the nature of end points.

Examine the maxima and minima of the function f (x) = 2x^(3) - 21 x^(2) + 36x - 20 . Also, find the maximum and minimum values of f (x).

Find the maxima and minima of the following functions : f(x)=x^(2) In x ,

Find the local maxima and minima of the function f(x)=x^(3)-2x^(2)+x+6 .

Find the maxima and minima of the following functions : f(x)=(4x)/(x^(2)+4)

Find the maxima and minima of the following functions : f(x)=x^(3)e^(-x)

Find the maxima and minima of the following functions : f(x)=root3(2x^(3)+3x^(2)-36x)

Find the maxima and minima of the function y=x(x-1)^(2),0<=x<=2

Find the points of maxima and minima of the function.f(x)=12x^(5)-45x^(4)+40x^(3)+40 Check whether second derivative can be used to find the point of extrema.