\(\sqrt{80}+\sqrt{125}\) का सरल रूप कौन-सा है?
Which is the simplified form of \(\sqrt{80}+\sqrt{125}\)?
Explanation opens after your attempt
Correct Answer
A. \(9\sqrt{5}\)
Concept
\(\sqrt{80}=4\sqrt{5}\) and \(\sqrt{125}=5\sqrt{5}\), so the sum is \(9\sqrt{5}\). Like radicals should be added.
Why this answer is correct
The correct answer is A. \(9\sqrt{5}\). \(\sqrt{80}=4\sqrt{5}\) and \(\sqrt{125}=5\sqrt{5}\), so the sum is \(9\sqrt{5}\). Like radicals should be added.
Exam Tip
\(\sqrt{80}=4\sqrt{5}\) और \(\sqrt{125}=5\sqrt{5}\), इसलिए योग \(9\sqrt{5}\) है। समान मूलों को जोड़ना चाहिए।
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