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I. p² = ∛1331 p = ±√11 = ±3.316 II. 2q² - 21q + 55 = 0 2q² - 10q - 11q + 55 = 0 2q(q - 5) - 11( q - 5) = 0 (2q - 11) (q - 5) = 0 q = 5 ,11/2 Hence p < q,
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Present average age of 4 friends: ‘A’, ‘B’, ‘C’ and ‘D’ is 30 years. If their ages are in the arithmetic progression in the same order a...
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