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If the each of algebraic expressions (lx^2) + (mx) + n , (mx^2) + (nx) + l and (nx^2) + (lx) + m are perfect squares , then (l+m)/n = _____ (a)-4 (b)6 (c)-8 (d)none of these

Answer» If the each of algebraic expressions (lx^2) + (mx) + n , (mx^2) + (nx) + l and (nx^2) + (lx) + m are perfect squares , then (l+m)/n = _____ (a)-4 (b)6 (c)-8 (d)none of these


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