Practice Question Number 11 (14.1.6) - Lecture -14 - Discrete Mathematics - Vol 1
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Question Number 11

Practice - Question Number 11

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is an irrational number?

💡 Hint: Think about definitions involving fractions.

Question 2 Easy

Can you give an example of an irrational number?

💡 Hint: Consider numbers that can't be precisely written as fraction.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a key feature of irrational numbers?

They can be expressed as fractions.
They cannot be expressed as fractions.
They are always negative.

💡 Hint: Consider their definitions closely.

Question 2

True or False: √2 can be expressed as a ratio of two integers.

True
False

💡 Hint: Think about previous discussions regarding numbers.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Prove using induction based on parity that the sum of any two odd integers is even.

💡 Hint: Focus on the properties of odd integers.

Challenge 2 Hard

Using strong induction, show that if √n is irrational for n=2, it remains true for any integers beyond that.

💡 Hint: Revisit the structure of your proof for clarity.

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