यदि \(a=\sqrt{20}\) है तो (a) का सरल रूप क्या है?
If \(a=\sqrt{20}\), what is the simplified form of (a)?
Explanation opens after your attempt
A. \(2\sqrt{5}\)
Concept
\(\sqrt{20}=\sqrt{4\times5}=2\sqrt{5}\). Look for a perfect square factor inside the root.
Why this answer is correct
The correct answer is A. \(2\sqrt{5}\). \(\sqrt{20}=\sqrt{4\times5}=2\sqrt{5}\). Look for a perfect square factor inside the root.
Exam Tip
\(\sqrt{20}=\sqrt{4\times5}=2\sqrt{5}\) होता है। जड़ में पूर्ण वर्ग गुणनखंड खोजें।
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