Nobody did/
Different people find different things difficult. So what you might find difficult someone else might find easy. And, what someone else finds difficult, you might find easy. As a result, there is no hardest type of mathematics and so nobody could have invented it.
The Collatz conjecture
what is the percentage of the gods existence in this world ? its 23846.63542
It really depends on who you're asking....
Anyone can if they work hard at it.
No. Some of the world's hardest maths problems have remained unsolved for centuries.
What is hard for some people may not be hard for others. So there is really no answer to this question.
Foucault's last conundrum.Fermi's last theromExact value of Pi.
math
n+1=n solve for n.
Oh honey, there's no one "hardest math question in the whole world." Math is like a never-ending buffet of brain teasers! But if you're looking for a toughie, the Millennium Prize Problems are a good place to start. As for the answers, well, those are worth a cool million bucks each if you can crack 'em. Good luck, darling!
Prove that 2 <> 2. Show your working.
no it is not hard