Pythagoras
Arithmetic progression was invented and discovered by two different mathematicians and scientists. Their names were Harvey Dubner and Tony Forbes.
None that mathematicians have been able to discern.
Charles BabbageAlbert EinsteinBlaise Pascal
they wanted their family to be not known
Leibniz was one of the two greatest mathematicians of the 18th century.
Yes, there are black female mathematicians. Check related links
I would guess geometrists. Or, broadly, mathematicians.
No mathematician in foreign - in his / her own country. yep
FALSEthere are 4 types of geometry mathematicians study.
write about any 20 mathematicians
There can be no generalisation about mathematicians or any other professions. Even some authors are not good writers!