\(\sqrt{28}\) का सरल रूप क्या है?
What is the simplified form of \(\sqrt{28}\)?
Explanation opens after your attempt
Correct Answer
A. \(2\sqrt{7}\)
Concept
Write \(28=4 \times 7\).
Why this answer is correct
\(\sqrt{28}=\sqrt{4 \times 7}=2\sqrt{7}\).
Exam Tip
While simplifying a square root, take the perfect square factor outside. चरण 1: \(28=4 \times 7\) लिखें। चरण 2: \(\sqrt{28}=\sqrt{4 \times 7}=2\sqrt{7}\)। चरण 3: वर्गमूल सरल करते समय पूर्ण वर्ग गुणनखंड को बाहर निकालें।
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