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Grade 1110 grade maths

What is discriminant.and how does it tell wheather the roots are possible or not

Profile image of sameer
9 Years agoGrade 11
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Profile image of Amit Kumar Gupta
9 Years ago
Discriminant (D)=b2-4ac , And it is used to know the nature of roots of quadratic equations . If D>0 then there will be two distinct real roots ,if D=0 then there will be two equal or repeated roots, If D