If x! (factorial) = 9, what is X?

There is no integer X such that X! = 9. And the factorial function is only defined for integers. But 3! = 6 and 4! = 24, so if there were a valid X, it would be between 3 and 4, right? The Gam…

Long's Digest   Top Stories For You   If x! (factorial) = 9, what is X? Brian in DC, M.S. Mathematics, Illinois State University • Answered January 29 There is no integer X such that X! = 9. And the factorial function is only defined for integers. But 3! = 6 and 4! = 24, so if there were a valid X, it would be between 3 an... Read More » 4.6M 726 15   Is getting a Ph.D worth the effort? William Sager, Professor at University of Houston • Answered April 13, 2019 Good question. When my students come to me and say "I want to get a PhD", we have a long discussion about what that means. For most people, I would say the answer is 'no'. ... Read More » 1.7M 2K 54   Why do the British say "zed" instead of "zee" for the letter "Z"? John Low, knows English • Answered October 17 Well. British — Zed Canadian — Zed Australian — Zed... Read More » 475.1K 5.8K 305   Why did Russia suspend the delivery of S-400 missiles to China? Boris Sanochkin, former (Ret.) Lt. Colonel • Updated June 24 Reverse engineering. Sales of sensitive equipment to China are only cleared by export control if they buy a large batch, money first. Overwise, the Chinese acquire a few unit... Read More » 393.1K 3.1K 343   I have a 2.0 GPA and graduate in a semester. What are my options with a low GPA? Graduate school doesn't seem likely. Jeff Erickson, CS professor, University of Illinois Urbana-Champaign • Answered September 24 I think your best first option is to find a professional counselor or therapist to help you figure out why your GPA is so low. It's not because you're stupid—you wouldn't h... Read More » 3.1M 682 50 Read More in Your Feed

Never miss a story. Designed for readers on the go.

This email was sent by Quora (605 Castro Street, Mountain View, CA 94041). If you don't want to receive this type of email in the future, please unsubscribe. https://www.quora.com