/ ________\ | / 2 | |x + \/ x + 1 | log|---------------| \ 2*x /
log((x + sqrt(x^2 + 1))/((2*x)))
log(1/2 + sqrt(x^2 + 1)/(2*x))
/ ________\ | / 2 | |1 \/ x + 1 | log|- + -----------| \2 2*x /
/ ________\ | / 2 | | \/ 1 + x | -log(2) + log|1 + -----------| \ x /
-log(2) + log(1 + sqrt(1 + x^2)/x)
/ ________\ | / 2 | |x \/ 1 + x | |- + -----------| |2 2 | log|---------------| \ x /
log((x/2 + sqrt(1 + x^2)/2)/x)
/ ________\ | / 2 | | \/ 1 + x | -log(2) + log|1 + -----------| \ x /
-log(2) + log(1 + sqrt(1 + x^2)/x)