\(\sqrt{98}+\sqrt{50}-\sqrt{18}\) का सरल रूप क्या है?
What is the simplified form of \(\sqrt{98}+\sqrt{50}-\sqrt{18}\)?
Explanation opens after your attempt
A. \(9\sqrt{2}\)
Concept
\(\sqrt{98}=7\sqrt{2}\), \(\sqrt{50}=5\sqrt{2}\), and \(\sqrt{18}=3\sqrt{2}\).
Why this answer is correct
\(7\sqrt{2}+5\sqrt{2}-3\sqrt{2}=9\sqrt{2}\).
Exam Tip
Add or subtract only after converting all terms to like radicals. चरण 1: \(\sqrt{98}=7\sqrt{2}\), \(\sqrt{50}=5\sqrt{2}\), और \(\sqrt{18}=3\sqrt{2}\)। चरण 2: \(7\sqrt{2}+5\sqrt{2}-3\sqrt{2}=9\sqrt{2}\)। चरण 3: सभी पदों को समान वर्गमूल में बदलने के बाद ही जोड़-घटाव करें।
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