Find the maximum and minimum value of `y=|2x+1|-|2x-2|`

If y = cos^2(45^@+x)+(sin x - cos x)^2 , then find the maximum and minimum value of y.

If 'x' be real, find the maximum and minimum value of : y=(x+2)/(2x^(2)+3x+6)

Find the maximum and minimum values of f(x)=2x^(3)-24x+107 in the interval [1,3]

Find the maximum and minimum values of f(x)=2x^3-24 x+107 in the interval [1,\ 3] .

Find the maximum and minimum values of y=6x^(2)-3x^(4)-1 in the interval y=-2lexle3

If y=1+2sin x+3cos^(2)x, find the maximum and minimum values of y AA x in R

Find the maximum and minimum value of y = asin^2x + b sinx.cosx + c cos^2x

IF x is real , find the maximum and minimum values of (x^2-x+1)/(x^2+x+1) also find the corresponding values of x.