Question

proove that
log( x+1) - log (x-1) =1​

Answer 1

Answer:

Using identity:-

log(a/b) =log a -log b

log(x+1)-log(x-1) =1

log(x+1)/(x-1) =1=log10

->10 —>10

x+1/x-1 =10

x+1=10x-10

9x=11

x=11/9