find the value of x,so that (2–1+4–1+6–1+8–1)x=625/576
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Nature of roots of a quadratic equation. Sl.No. Discriminant. 2. 4 b ac ... 4. 2. 2. 2. 2. (. )( ) x x y y x xy y x xy y. +. +. = + +. − +. 11. 4. 2. 2. 2. 1 (. 1)(. 1). x x ... + is a perfect square, find the values of a and
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