Lösung 2.1:8c
Aus Online Mathematik Brückenkurs 1
When we come across large and complicated expressions, we have to work step by step; as a first goal, we can multiply the top and bottom of the fraction
by \displaystyle 1+x, so as to reduce it to an expression having one fraction sign
The next step is to multiply the top and bottom of our new expression by \displaystyle x+2, so as to obtain the final answer,
