Discover answers to your most pressing questions at Westonci.ca, the ultimate Q&A platform that connects you with expert solutions. Discover reliable solutions to your questions from a wide network of experts on our comprehensive Q&A platform. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

Which of the following must be the value of x if x⁶−1≡0(mod7)?

a. x is prime
b. x is divisible by 7
c. x is any integer greater than 7
d. x is relatively prime with 7