Which of the following results is rational?
Answer and explanation
Correct answer: (\sqrt{2}\times\sqrt{8})
Step 1: (\sqrt{2}\times\sqrt{8}=\sqrt{16}). Step 2: (\sqrt{16}=4), which is rational. Step 3: The product of two irrational numbers is not always irrational.
Frequently asked questions
What is the correct answer to this question?
(\sqrt{2}\times\sqrt{8})
Why is this the correct answer?
Step 1: (\sqrt{2}\times\sqrt{8}=\sqrt{16}). Step 2: (\sqrt{16}=4), which is rational. Step 3: The product of two irrational numbers is not always irrational.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Irrational numbers.