When we differentiate an equation,
dy/dx=f'(x) we say that we have differentiated f(x) with respect to x'.
Why does with respect to x' mean?

Question

tkhunny · Answer

No one should say "with respect to x'".  It should be just "with respect to x".  This is often abbreviated to "wrt x".  It means only that x is the variable of interest and, unless otherwise stated, is the ONLY variable of interest.

anonymous · Answer

What do we mean by of interest and

anonymous · Answer

And only of interest and what if its no the inly one of interst