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Q.2422 :  यदि समीकरण 3x² + 5x - 7 = 0 के मूल्य a तथा b हो तो (1/a + 1/b) =?

(a) 3/7
(b) 5/11
(c) 5/7
(d) इनमे से कोई नही
View Answer
Answer :5/7

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