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[" 11.122"],[" 31.If "y=log([x+x^(2)],[1...

[" 11.122"],[" 31.If "y=log([x+x^(2)],[1+x^(2)])" ,then thy "],[[" (a) "(4x^(3))/(1)," (b) "1," d "x," (b) "1]]

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