यदि \(P=\sqrt{500}+\sqrt{180}-\sqrt{320}\) है तो (P) किसके बराबर है?
If \(P=\sqrt{500}+\sqrt{180}-\sqrt{320}\), what is (P) equal to?
Explanation opens after your attempt
B. \(8\sqrt{5}\)
Concept
\(\sqrt{500}=10\sqrt{5}\), \(\sqrt{180}=6\sqrt{5}\), and \(\sqrt{320}=8\sqrt{5}\). Therefore \(P=8\sqrt{5}\).
Why this answer is correct
The correct answer is B. \(8\sqrt{5}\). \(\sqrt{500}=10\sqrt{5}\), \(\sqrt{180}=6\sqrt{5}\), and \(\sqrt{320}=8\sqrt{5}\). Therefore \(P=8\sqrt{5}\).
Exam Tip
\(\sqrt{500}=10\sqrt{5}\), \(\sqrt{180}=6\sqrt{5}\) और \(\sqrt{320}=8\sqrt{5}\) है। इसलिए \(P=8\sqrt{5}\) है।
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