Discuss the extremum of `f(x)=2x^3-3x^2-12 x+5` for `x in [-2,4]` and the find the range of `f(x)` for the given interval.

Discuss the extremum of f(x)=2x^(3)-3x^(2)-12x+5 for x in[-2,4] and the find the range of f(x) for the given interval.

Discuss the extremum of f(x)=2x+3x^(2/3)

Discuss the extremum of f(x)=2x+3x^(2/3)

Discuss the extremum of f(x)=2x+3x^(2/3)

Discuss the extremum of f(x)=2x+3x^(2/3)

Discuss the extremum of f(x)=2x+3x^(2/3)

Discuss the extremum of f(x) = 2x^(3) - 3x^(2) - 12x + 5 for x in [-2, 4] and find the range of f(x) for the given interval.

Discuss the extremum of f(x)={x^2+x^-2}

Discuss the extremum of f(x)={x^2+x^-2}

Discuss the extremum of f(x)=x^2+1/(x^2)