\(\sqrt{72}-\sqrt{18}\) का सरल रूप क्या है?
What is the simplified form of \(\sqrt{72}-\sqrt{18}\)?
Explanation opens after your attempt
A. \(3\sqrt{2}\)
Concept
\(\sqrt{72}=6\sqrt{2}\) and \(\sqrt{18}=3\sqrt{2}\).
Why this answer is correct
\(6\sqrt{2}-3\sqrt{2}=3\sqrt{2}\).
Exam Tip
Simplify both square roots before subtracting. चरण 1: \(\sqrt{72}=6\sqrt{2}\) और \(\sqrt{18}=3\sqrt{2}\)। चरण 2: \(6\sqrt{2}-3\sqrt{2}=3\sqrt{2}\)। चरण 3: घटाने से पहले दोनों वर्गमूलों को सरल करना जरूरी है।
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