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if f(x)=ax^2+bx+c, g(x)= -ax^2 +bx+ c where ac not equal to zero then prove that f(x).g(x)=0 has at least two real root.

Answer» if f(x)=ax^2+bx+c, g(x)= -ax^2 +bx+ c where ac not equal to zero then prove that f(x).g(x)=0 has at least two real root.


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