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107 a ^ { 2 } - 69 x + 4 x ^ { 2 } |
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Answer» 4x²-6ax+a² D = (-6a)² -4*4a² = 20a² so, x = 6a±√20a/(4*2) = 3a/4 ± √5a/4 = a/4*(3±√5) |
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