Question

which mathematician collaborated with blaise pascal on probability theory?
a. rené descartes
b. pierre de fermat
c. leonardo da vinci
d. nikola tesla

Explanation:

In 1654, Blaise Pascal and Pierre de Fermat had a series of letters that laid the foundation for probability theory. René Descartes was known for analytic geometry. Leonardo da Vinci was a polymath in art, science, etc., not mainly in probability collaboration with Pascal. Nikola Tesla was an inventor in electricity - related fields.

Answer:

B. Pierre de Fermat