I got a question (obviously)
"By expressing as a quadratic in the term , show ."
This is my worked solution for the quadratic part:
And now for the inverse part:
I get stuck :( i know the answer is (from the question) and i know somewhere in the calculations there is some sort of logarithm cancellation i.e.
Can someone help? and can you tell me if my quadratic expression is incorrect? thanks :)