Question

2 ln x^2-ln x?

Answer 1

`y=2ln(x^2)-ln(x)`

Remember that `log(a^b)=blog(a)` so `ln(x^2)=2ln(x)`. Then

`y=2(2ln(x))-ln(x)=4ln(x)-ln(x)=3ln(x)`

Remembering that the derivative of `ln(x)` is `1//x`, we see that

`dy/dx=3/x`