यदि \(x=3+\sqrt{5}\), तो (x-3) किस प्रकार की संख्या है?
If \(x=3+\sqrt{5}\), what type of number is (x-3)?
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Correct Answer
B. अपरिमेयIrrational
Concept
(x-3=\(3+\sqrt{5}\)-3).
Why this answer is correct
This leaves \(\sqrt{5}\), which is irrational.
Exam Tip
Simplify the expression before deciding the nature of the number. चरण 1: (x-3=\(3+\sqrt{5}\)-3) होगा। चरण 2: इससे \(\sqrt{5}\) बचता है, जो अपरिमेय है। चरण 3: अभिव्यक्ति को सरल करके संख्या की प्रकृति तय करें।
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