U substitution for indefinite integrals is going to give me an aneurysm :D
I can’t wait for when i have to do that :D (end my suffering)
have fuuuun :D
:DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
why do integrals have to be so much worse than derivatives I want to go back ):
I can’t wait for when i have to do that :D (end my suffering)
have fuuuun :D
:DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD