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Q.2423 :  एक द्विघात समीकरण के मूल (2 + √5) तथा (2 - √5) है यह समीकरण है?

(a) x² - 4x - 1 = 0
(b) x² + 4x - 1 = 0
(c) x² - 4x + 1 = 0
(d) x² + 4x + 1 = 0
View Answer
Answer :x² - 4x - 1 = 0

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