1.

Let the function f (x) be defined as follows : f(x)={{:(x^(3)+x^(2)-10x",",-1lexlt0),(cosx",",0lexlt(pi)/(2).),(1+sinx",",(pi)/(2)lexlepi):}Then f(x) has

Answer»

a local minimum at `x=(pi)/(2)`
a GLOBAL MAXIMUM at `x=(pi)/(2)`
an absolute maximum at x=-1
an absoute maximum at `x=pi`

ANSWER :C


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