1.

Forf(x)=ax2+bx+c,a≠0, the conditions for which the graph is a downward opening parabola and f(x)=0 have a unique root with multiplicity 2 is (Here D=discriminant)

Answer»

Forf(x)=ax2+bx+c,a0, the conditions for which the graph is a downward opening parabola and f(x)=0 have a unique root with multiplicity 2 is (Here D=discriminant)



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