[" he equations "ax^(2)+bx+a=0,x^(3)-2x^...

[" he equations "ax^(2)+bx+a=0,x^(3)-2x^(2)+2x-1=0" have two roots in common.Then "a+b],[" ust be equal to "],[qquad [" (B) "-1],[" (D) none of these "]]

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