1
--------------------------------
/ 2\ _____________
2*\1 + (x + 3) /*\/ atan(x + 3)
$$\frac{1}{2 \left(\left(x + 3\right)^{2} + 1\right) \sqrt{\operatorname{atan}{\left(x + 3 \right)}}}$$
/ 1 \
-|3 + x + -------------|
\ 4*atan(3 + x)/
-------------------------------
2
/ 2\ _____________
\1 + (3 + x) / *\/ atan(3 + x)
$$- \frac{x + 3 + \frac{1}{4 \operatorname{atan}{\left(x + 3 \right)}}}{\left(\left(x + 3\right)^{2} + 1\right)^{2} \sqrt{\operatorname{atan}{\left(x + 3 \right)}}}$$
2
4*(3 + x) 3 3*(3 + x)
-1 + ------------ + ----------------------------- + ----------------------------
2 / 2\ 2 / 2\
1 + (3 + x) 8*\1 + (3 + x) /*atan (3 + x) 2*\1 + (3 + x) /*atan(3 + x)
--------------------------------------------------------------------------------
2
/ 2\ _____________
\1 + (3 + x) / *\/ atan(3 + x)
$$\frac{\frac{4 \left(x + 3\right)^{2}}{\left(x + 3\right)^{2} + 1} - 1 + \frac{3 \left(x + 3\right)}{2 \left(\left(x + 3\right)^{2} + 1\right) \operatorname{atan}{\left(x + 3 \right)}} + \frac{3}{8 \left(\left(x + 3\right)^{2} + 1\right) \operatorname{atan}^{2}{\left(x + 3 \right)}}}{\left(\left(x + 3\right)^{2} + 1\right)^{2} \sqrt{\operatorname{atan}{\left(x + 3 \right)}}}$$