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(i) If the roots of x2 + x + k 0 are real and equal, what is the value of k?
(A) 0 (B) 4 (C) 0 or 4 (D) 2​

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(i) If the roots of x2 + x + k 0 are real and equal, what is the value of k?
(A) 0 (B) 4 (C) 0 or 4 (D) 2​

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Eva

साइन अल्फा माइनस कॉस अल्फा स्क्वायर इक्वल टू टू माइनस साइन अल्फा प्लस कॉस अल्फा स्क्वायर इज इक्वल टू व्हाट​

A man bought 20 litres of petrol. He used 12 and 3/4 litres of petrol in his car and 3 and 2/5 litres in his motorbike. How much p

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