यदि \(P=\sqrt{242}+\sqrt{50}-\sqrt{98}\) है तो (P) किसके बराबर है?
If \(P=\sqrt{242}+\sqrt{50}-\sqrt{98}\), what is (P) equal to?
Explanation opens after your attempt
B. \(9\sqrt{2}\)
Concept
\(\sqrt{242}=11\sqrt{2}\), \(\sqrt{50}=5\sqrt{2}\), and \(\sqrt{98}=7\sqrt{2}\). Therefore \(P=9\sqrt{2}\).
Why this answer is correct
The correct answer is B. \(9\sqrt{2}\). \(\sqrt{242}=11\sqrt{2}\), \(\sqrt{50}=5\sqrt{2}\), and \(\sqrt{98}=7\sqrt{2}\). Therefore \(P=9\sqrt{2}\).
Exam Tip
\(\sqrt{242}=11\sqrt{2}\), \(\sqrt{50}=5\sqrt{2}\) और \(\sqrt{98}=7\sqrt{2}\) है। इसलिए \(P=9\sqrt{2}\) है।
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