\( \sqrt{45}+\sqrt{80}-\sqrt{20} \) का सही सरल रूप चुनिए।
Choose the correct simplified form of \( \sqrt{45}+\sqrt{80}-\sqrt{20} \).
Explanation opens after your attempt
B. \(5\sqrt{5}\)
Concept
Convert all surds into terms of \( \sqrt{5} \). \(3\sqrt{5}+4\sqrt{5}-2\sqrt{5}=5\sqrt{5}\) is correct.
Why this answer is correct
The correct answer is B. \(5\sqrt{5}\). Convert all surds into terms of \( \sqrt{5} \). \(3\sqrt{5}+4\sqrt{5}-2\sqrt{5}=5\sqrt{5}\) is correct.
Exam Tip
तीनों करणी को \( \sqrt{5} \) के पदों में बदलें। \(3\sqrt{5}+4\sqrt{5}-2\sqrt{5}=5\sqrt{5}\) सही है।
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