The minimum value of `x^(x)` is attained when x is equal to

The minimum value of (x-a)(x-b) is

The minimum value of f(x)=|x+2|

The minimum value of (x^2+(250)/(x)) is

The minimum value of (sin x)^(sin x) when 0

Let P(x)=ax^(2)+bx+8 is a quadratic polynomial. If the minimum value of P(x) is 6 when x=2 , find the values of a and b.

The minimum value of sin x+cos x-1 is

The Minimum value of 27^(cos x)+81^(sin x) is equal to