I Love Math

I love it. I love reading about the amazing mathematicians and all the intricate equations and such. I am grateful for everything Iv learnt so far....

But.......
I would like to say
Eff off!!!
Or F off
😣😾😥

Like why all the F,f’s dude??!
The rule in the green box is an effing mouthful!

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SW-User

It is a simple way to say that a and b have the same difference in all the antiderivatives and derivatives of the function f