Easy Mathematics Chapter 1: Real Numbers Class 10 Level 13

\(\sqrt{5}\times\sqrt{5}\) का मान किस प्रकार की संख्या है?

What type of number is the value of \(\sqrt{5}\times\sqrt{5}\)?

Explanation opens after your attempt
Correct Answer

B. परिमेय संख्याRational number

Step 1

Concept

Multiplying a square root by itself gives the number inside the root.

Step 2

Why this answer is correct

\(\sqrt{5}\times\sqrt{5}=5\), and (5) is rational.

Step 3

Exam Tip

The product of two irrational numbers is not always irrational. चरण 1: किसी धनात्मक संख्या के वर्गमूल को उसी से गुणा करने पर वही संख्या मिलती है। चरण 2: \(\sqrt{5}\times\sqrt{5}=5\), और (5) परिमेय है। चरण 3: दो अपरिमेय संख्याओं का गुणनफल हमेशा अपरिमेय नहीं होता।

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