( \(5\sqrt{3}-2\sqrt{5}\)2 ) का सरल रूप क्या है?
What is the simplified form of ( \(5\sqrt{3}-2\sqrt{5}\)2 )?
Explanation opens after your attempt
Correct Answer
A. \(95-20\sqrt{15}\)
Concept
( \(5\sqrt{3}\)2=75 ) and ( \(2\sqrt{5}\)2=20 ). The middle term \(2\times5\sqrt{3}\times2\sqrt{5}=20\sqrt{15}\) is subtracted.
Why this answer is correct
The correct answer is A. \(95-20\sqrt{15}\). ( \(5\sqrt{3}\)2=75 ) and ( \(2\sqrt{5}\)2=20 ). The middle term \(2\times5\sqrt{3}\times2\sqrt{5}=20\sqrt{15}\) is subtracted.
Exam Tip
( \(5\sqrt{3}\)2=75 ) और ( \(2\sqrt{5}\)2=20 ) हैं। मध्य पद \(2\times5\sqrt{3}\times2\sqrt{5}=20\sqrt{15}\) घटेगा।
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