2x The problem + dx can be split, like this: dx +32 f 2x+3 1+x2 1+x2...

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2x The problem + dx can be split, like this: dx +32 f 2x+3 1+x2 1+x2 What is the result of integrating both "smaller" problems? 2 1 Ofdx+3dx = 2x ln(1+x) +3.In (1+22) + C of 2r Ofdx+3dx = x + In|x| +3 arctan x + C of Ofdx+3fdx = ln (1+2)+3. arctan x + C dx. 2x The problem + dx can be split, like this: dx +32 f 2x+3 1+x2 1+x2 What is the result of integrating both "smaller" problems? 2 1 Ofdx+3dx = 2x ln(1+x) +3.In (1+22) + C of 2r Ofdx+3dx = x + In|x| +3 arctan x + C of Ofdx+3fdx = ln (1+2)+3. arctan x + C dx.