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[" Q11.If "x+2" is a factor of "x^(2)+ax...

[" Q11.If "x+2" is a factor of "x^(2)+ax+2b" and "a+b=4" ,then "],[[" (a) "a=1,b=3," (b) "a=3,b=1," (c) "a=-1,b=5," (d) "a=5,b=-1]]

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