i need to show
now i have shown
which gives me
clearly the expression is so i need to show
this is simple enough by considering
as
so [*]>0
What i would like to do is not use the result and start from scratch to show
using only
i cant seem to get the result, alwayus end up with an inequality round the wrong way so cant deduce the result. Maybe it cant be done this way which is why they gave the value -1 or im making a mistake: