Question

Confused on this integral.

Answer 1

\[\Large \int\limits_{3}^{6}\frac{ dx }{ x }\]
What on earth does the dx/x mean?

Answer 2

It could mean \[\frac{ 1 }{ x }. dx\]

Answer 3

special case our fvt professor ` ln(x) `

Answer 4

What harman said.

What you have is the same thing as:

\[\int\limits_{3}^{6}\frac{ 1 }{ x }dx\]

but the author of the question subsituted dx for the 1

Answer 5

Ohhh, I did not know you can write it like that! That is interesting.

Answer 6

Thanks guys, I think I can figure out the integral now.