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IFx^2+P_1 x+q_1 =0, x^2 +p_2 x +q_2=0 , x^2 +p_3 x+q_3=0hasa coomonrootthenp_(1) ^2 +p_(2)^2 +P_3^2+4(q_1+q_2+q_3)= |
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Answer» `2(p_1p_2+p_2p_3+p_3 p_1` |
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