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[" If "I(1)=int(0)^( pi)f((2)/(x)+(x)/(2...

[" If "I_(1)=int_(0)^( pi)f((2)/(x)+(x)/(2))(ln x)/(x)dx,I_(2)=int_(0)^( pi)f((2)/(x)+(x)/(2))(dx)/(x)" and "I_(3)=int_(-oo)^( oo)xf(e^(x)+e^(-x))dx" then "],[[" A) "2I_(1)=(ln2)I_(2)," B) ",I_(1)=(ln2)I_(2)," C) "I_(1)=I_(2)!=I_(3)," D) "I_(1)=(ln2)I_(2)+I_(3)]]

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If I_(1)=int_(0)^(oo)f((2)/(x)+(x)/(2))(ln x)/(x)dx,I_(2)=int_(0)^(oo)f((2)/(x)+(x)/(2))(dx)/(x) and I_(3)=int_(-oo)^( oo)xf(e^(x)+e^(x))dx then

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