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Let a 0 be a root of the equation 2x^2+x 2u003d0
Let a 0 be a root of the equation 2x^2+x 2u003d0 pictures 5
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Let a 0 be a root of the equation 2x^2+x 2u003d0
Let a 0 be a root of the equation 2x^2+x 2u003d0
