RealiseNothing
what is that?It is Cowpea
Re: HSC 2013 4U Marathon
Dividing by gives:
Grouping appropriate terms:
Now using the quadratic formula:
Now let
We want to find the values of U such that it has atleast one real root:
So
Therefore going back to our quadratic equation and the roots:
This is where I got up to last time, I'll try again though:bump.
Difficulty: 3.14159/5
That should be enough to keep 2013'ers busy for a while.
Dividing by gives:
Grouping appropriate terms:
Now using the quadratic formula:
Now let
We want to find the values of U such that it has atleast one real root:
So
Therefore going back to our quadratic equation and the roots: