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[" 8: ร) If "14" equations "x^(2)+ax+b=0...

[" 8: ร) If "14" equations "x^(2)+ax+b=0" and "x^(2)+bx+a=0],[" have a common root,Thew a md b are "],[" connected by "10" .rolation: "],[[" (a) "a-b+1=0," (b) "a+b-1=0," (c) "a-b-1=0," (3) "],[" (d) "a+b+1=0]]

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