1.

If roots of the quadratic equation bx, ax + c = 0 are equal, then-

Answer»

for general quadratic eqⁿAx²+Bx+C=0if roots are equal then√(B²-4AC)=0i.e.B²=4AC--------(1)here eqⁿ Is bx²+ax+c=0B=aA=bC=cput in eqⁿ1a²=4bc



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