Comment on the next question when the teacher calls on you while you're asleep and you answer correctly
FishFace@piefed.social 20 hours ago
Yeah, it makes no sense to specify that the sum exists; the finite sum always exists, and even if you were talking about the infinite sum, it makes no odds on what the first term is.
Bazell@lemmy.zip 11 hours ago
I suppose that this specification was said to make the task look more complicated to solve. Just a simple obstacle.