Hi I am terrible at proofs. I am going to write 'log base b' as logb. I need to prove the following:
1. logb 1=0
2. logb b=1
3. logb 1/b=-1
4. logb 1/x=-logb x
I realise this may a bit time consuming so thank you in advance. Or if anyone has seen these proofs somewhere? Thanks.