कौन-सा विकल्प \(\sqrt{72}+\sqrt{128}\) के बराबर है?
Which option is equal to \(\sqrt{72}+\sqrt{128}\)?
Explanation opens after your attempt
Correct Answer
A. \(14\sqrt{2}\)
Concept
\(\sqrt{72}=6\sqrt{2}\) and \(\sqrt{128}=8\sqrt{2}\). So the sum is \(14\sqrt{2}\).
Why this answer is correct
The correct answer is A. \(14\sqrt{2}\). \(\sqrt{72}=6\sqrt{2}\) and \(\sqrt{128}=8\sqrt{2}\). So the sum is \(14\sqrt{2}\).
Exam Tip
\(\sqrt{72}=6\sqrt{2}\) और \(\sqrt{128}=8\sqrt{2}\) है। इसलिए योग \(14\sqrt{2}\) है।
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