कौन-सा गुणनफल परिमेय है?
Which product is rational?
Explanation opens after your attempt
B. \(\sqrt{5}\times\sqrt{5}\)
Concept
\(\sqrt{5}\times\sqrt{5}=5\). Product of same surds gives a rational.
Why this answer is correct
The correct answer is B. \(\sqrt{5}\times\sqrt{5}\). \(\sqrt{5}\times\sqrt{5}=5\). Product of same surds gives a rational.
Exam Tip
\(\sqrt{5}\times\sqrt{5}=5\)। समान मूल का गुणन देखें।
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