a] Replace by and you will get a second degree equation in
leads to or with k real
This is on a C2 exam past paper and I haven't studied this but I want to know how to do it:
It is a two part question:
a] Find all values of in the range satisfying
b] Find all values of in the range satisfying
Can someone please go through step by step or as much as they can to try and help me?