___________ \/ x*(7 + x) *(7/2 + x) ----------------------- x*(7 + x)
(sqrt(x*(7 + x))*(7/2 + x))/((x*(7 + x)))
7/2 + x ------------- ___________ \/ x*(7 + x)
(7/2 + x)/sqrt(x*(7 + x))
___________ \/ x*(7 + x) *(7 + 2*x) ----------------------- 2*x*(7 + x)
sqrt(x*(7 + x))*(7 + 2*x)/(2*x*(7 + x))
___________ \/ x*(7 + x) *(7 + 2*x) ----------------------- 2*x*(7 + x)
sqrt(x*(7 + x))*(7 + 2*x)/(2*x*(7 + x))
__________ __________ / 2 / 2 7*\/ x + 7*x + 2*x*\/ x + 7*x ----------------------------------- 2 2*x + 14*x
(7*sqrt(x^2 + 7*x) + 2*x*sqrt(x^2 + 7*x))/(2*x^2 + 14*x)
___________ \/ x*(7 + x) *(7 + 2*x) ----------------------- 2*x*(7 + x)
sqrt(x*(7 + x))*(7 + 2*x)/(2*x*(7 + x))
(x*(7.0 + x))^0.5*(3.5 + x)/(x*(7.0 + x))
(x*(7.0 + x))^0.5*(3.5 + x)/(x*(7.0 + x))