Value of a if equation 9x^2 -3ax +1 has equal roots - a= 2,a = -2, Roots of equation x^2 -12x +35 - 7, 5, if one root of 5m^2 +2m +k is -7/5, than value of k - -7, Value of discriminant of x^2 - 10x - 24 - 196, nature of roots for x^2 +2x-143 - real and distinct, nature of roots for 5x^2 - 6x +2 - no real roots, nature of roots for x^2 - 2x + 1 - real and equal, Roots of equation 2(x^2 - 4x) +2 - (2+√3), (2-√3) , Value of a if equation ax^2 + 6x + 1 has real roots - a= 9,a<9, Roots of equation x^2 - 3x - m(m+3) where m is constant - (m+3), -m,

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