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[" 29."int(2x^(2)+3)/((x^(2)-1)(x^(2)+4)...

[" 29."int(2x^(2)+3)/((x^(2)-1)(x^(2)+4))dx=a log((x+1)/(x-1))+b tan^(-1)(x)/(2)," then "(a,b)" is- "," (D) "(1,-1)],[[" (A) "(-1/2,1/2)," (B) "(1/2,1/2)]]

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