ln(x+1)+c\ln (\sqrt{x}+1)+cln(x+1)+c
tan−1(x+1)+c\tan ^{-1}(\sqrt{x}+1)+ctan−1(x+1)+c
2ln(x+1)+c2 \ln (\sqrt{x}+1)+c2ln(x+1)+c
2tan−1(x+1)+c2 \tan ^{-1}(\sqrt{x}+1)+c2tan−1(x+1)+c