Question

how is the log changed into this form? ​

Answer 1

Answer:

Hey mate here is your answer.....

You should know,

log x^2 = 2 log x

log(|√(1+x^2)^-1 |)

log(|(1+x^2)^-1/2|)

-1/2 log (|1+x^2|)

Hope it helps you....