sqrt((a+x)/(a-x))

sqrt((20+x)/(x))*sqrt((20-x)/(x))=sqrt(6)

int_( then )^( If )sqrt((1-x)/(1+x))(dx)/(x)=log((sqrt(1+x)-sqrt(1-x))/(sqrt(1+x)+sqrt(1-x)))+2f(x)+C

if y=((a-x)sqrt(a-x)-(b-x)sqrt(x-b))/(sqrt(a-x)+sqrt(x-b)) then (dy)/(dx) wherever it is defined is equal to

If y=((a-x)sqrt(a-x)-(b-x)sqrt(x-b))/(sqrt(a-x)+sqrt(x-b)) then dy/dx wherever it is defined is

if y=((a-x)sqrt(a-x)-(b-x)sqrt(x-b))/(sqrt(a-x)+sqrt(x-b)) then dy/dx wherever it is defined is equal to :

if y=((a-x)sqrt(a-x)-(b-x)sqrt(x-b))/(sqrt(a-x)+sqrt(x-b)) then dy/dx wherever it is defined is equal to :

if y=((a-x)sqrt(a-x)-(b-x)sqrt(x-b))/(sqrt(a-x+sqrt(x-b)))," then "(dy)/(dx) wherever it is defined is

if y=((a-x)sqrt(a-x)-(b-x)sqrt(x-b))/(sqrt(a-x)+sqrt(x-b)) then dy/dx wherever it is defined is equal to :

int sqrt((1-sqrt(x)))/(1+sqrt(x)).(dx)/(x)

(sqrt(a+x)-sqrt(a-x))/(sqrt(a+x)+sqrt(a-x))=(x)/(a)