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Q. if D1, D2 are the discriminant of two...

Q. if D_1, D_2 are the discriminant of two quad eq, `ax^2+bx+c=0`, `dx^2+ex+1=0` `ad !=0` , `a,b,c,d,e,f `epsilonl` real k` if `D_1+D_2>=0` if then at least the eq. must have real rooots

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