Practice Group of Non-zero Real Numbers under Multiplication - 13.3.3 | 13. Group Theory | Discrete Mathematics - Vol 3
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What property ensures that the operation between any two elements of a group results in an element within the set?

💡 Hint: Think about the 'closure' of a set.

Question 2

Easy

What is the identity element when using multiplication in a group of non-zero real numbers?

💡 Hint: What number keeps other numbers the same when multiplied?

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

Which property guarantees that the product of two elements is still within the set?

  • Closure
  • Identity
  • Inverse

💡 Hint: Think about what happens when you add two elements.

Question 2

True or False: Every integer has a multiplicative inverse within the set of integers.

  • True
  • False

💡 Hint: Consider if dividing integers always yields integers.

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Challenge Problems

Push your limits with challenges.

Question 1

Create a set that fails to meet the group axioms and identify which axiom is violated.

💡 Hint: Explore what happens with the operation on elements of this set.

Question 2

Prove that addition of integers is a group.

💡 Hint: Use the definitions of axioms to support your argument.

Challenge and get performance evaluation