express 4x^2 - 12x + 11 in the form a(x+b)^2 +c and hence write down:

(i) the minimum value of 4x^2 - 12x + 11

(ii) the maximum value of

1(over)

4x^2 - 12x + 11

thanks

as an aside

^2 is supposed to be squared

and (ii)is a fraction not very good at this web stuff