\(\sqrt{128}+\sqrt{72}-\sqrt{50}\) का सरल रूप क्या है?
What is the simplified form of \(\sqrt{128}+\sqrt{72}-\sqrt{50}\)?
Explanation opens after your attempt
A. \(9\sqrt{2}\)
Concept
\(\sqrt{128}=8\sqrt{2}\), \(\sqrt{72}=6\sqrt{2}\), and \(\sqrt{50}=5\sqrt{2}\).
Why this answer is correct
\(8\sqrt{2}+6\sqrt{2}-5\sqrt{2}=9\sqrt{2}\).
Exam Tip
Convert all radicals into like form before adding or subtracting. चरण 1: \(\sqrt{128}=8\sqrt{2}\), \(\sqrt{72}=6\sqrt{2}\), और \(\sqrt{50}=5\sqrt{2}\)। चरण 2: \(8\sqrt{2}+6\sqrt{2}-5\sqrt{2}=9\sqrt{2}\)। चरण 3: सभी वर्गमूलों को समान रूप में बदलकर ही जोड़-घटाव करें।
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