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[" (A) "a=3],[[" If "x^(2)+bx+ca=0,x^(2)...

[" (A) "a=3],[[" If "x^(2)+bx+ca=0,x^(2)+cx+ab=0" have a common root,then thair ather roots are the raots of the "],[" equation "],[[" (A) "x^(2)+2ax-bc=0," (B) "x^(2)+ax+bc=0," (C) "x^(2)+ax-bc=0," (D) none of these "]]]

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