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The product of two irrational numbers is an irrational number (True/False).

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Question

The product of two irrational numbers is an irrational number (True/False).

True or False
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Solution

This statement is false.

Reason:

Let us assume the two irrational numbers be `sqrt2` and `sqrt3`

Sometimes, it is and sometimes it isn't. 

`sqrt2` And `sqrt3` are both irrational as their product is `sqrt6`

Now `sqrt2` and `sqrt8` are both irrational but their product, `sqrt16` is rational (in fact, it equals 4)

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Chapter 1: Real Numbers - VERY SHORT ANSWER TYPE QUESTIONS (VSAQs) [Page 1.44]

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R.D. Sharma Mathematics [English] Class 10
Chapter 1 Real Numbers
VERY SHORT ANSWER TYPE QUESTIONS (VSAQs) | Q 32. | Page 1.44
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