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[" QUESTION-6"],[" If "x+2" is a factor ...

[" QUESTION-6"],[" If "x+2" is a factor of "x^(2)+ax+2b],[" and "a+b=4" ,then "],[[" I) "a=1,b=3],[" 2) "a=3,b=1],[" 3) "a=-1,b=5],[" 4) "a=5,b=-1]]

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